Home / 5,185,169.96-7,154,466.32-2,979,606.76

Finding the Fourth Proportional to 5,185,169.96, 7,154,466.32 and 2,979,606.76

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Solution

The fourth proportional to 5,185,169.96, 7,154,466.32 and 2,979,606.76 is: 4,111,243.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185,169.96 : 7,154,466.32 = 2,979,606.76 : x
  2. Step 2: Convert to fraction form
    5,185,169.96/7,154,466.32 = 2,979,606.76/x
  3. Step 3: Cross multiply
    5,185,169.96x = 7,154,466.32 × 2,979,606.76
  4. Step 4: Simplify right side
    5,185,169.96x = 21,317,496,211,264.32
  5. Step 5: Solve for x
    x = 21,317,496,211,264.32/5,185,169.96
  6. Step 6: Final answer
    x = 4,111,243.48

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.