Home / 5,427,617.35-7,490,111.96-2,980,228.40

Finding the Fourth Proportional to 5,427,617.35, 7,490,111.96 and 2,980,228.40

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Solution

The fourth proportional to 5,427,617.35, 7,490,111.96 and 2,980,228.40 is: 4,112,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427,617.35 : 7,490,111.96 = 2,980,228.40 : x
  2. Step 2: Convert to fraction form
    5,427,617.35/7,490,111.96 = 2,980,228.40/x
  3. Step 3: Cross multiply
    5,427,617.35x = 7,490,111.96 × 2,980,228.40
  4. Step 4: Simplify right side
    5,427,617.35x = 22,322,244,382,371.66
  5. Step 5: Solve for x
    x = 22,322,244,382,371.66/5,427,617.35
  6. Step 6: Final answer
    x = 4,112,715.20

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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.