Home / 2,475,743.13-3,416,689.76-1,388,084.85

Finding the Fourth Proportional to 2,475,743.13, 3,416,689.76 and 1,388,084.85

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Solution

The fourth proportional to 2,475,743.13, 3,416,689.76 and 1,388,084.85 is: 1,915,649.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475,743.13 : 3,416,689.76 = 1,388,084.85 : x
  2. Step 2: Convert to fraction form
    2,475,743.13/3,416,689.76 = 1,388,084.85/x
  3. Step 3: Cross multiply
    2,475,743.13x = 3,416,689.76 × 1,388,084.85
  4. Step 4: Simplify right side
    2,475,743.13x = 4,742,655,286,065.71
  5. Step 5: Solve for x
    x = 4,742,655,286,065.71/2,475,743.13
  6. Step 6: Final answer
    x = 1,915,649.18

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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.