Home / 5,185,130.37-7,154,411.61-2,979,567.18

Finding the Fourth Proportional to 5,185,130.37, 7,154,411.61 and 2,979,567.18

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Solution

The fourth proportional to 5,185,130.37, 7,154,411.61 and 2,979,567.18 is: 4,111,188.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185,130.37 : 7,154,411.61 = 2,979,567.18 : x
  2. Step 2: Convert to fraction form
    5,185,130.37/7,154,411.61 = 2,979,567.18/x
  3. Step 3: Cross multiply
    5,185,130.37x = 7,154,411.61 × 2,979,567.18
  4. Step 4: Simplify right side
    5,185,130.37x = 21,317,050,025,366.96
  5. Step 5: Solve for x
    x = 21,317,050,025,366.96/5,185,130.37
  6. Step 6: Final answer
    x = 4,111,188.82

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Double scale
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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.