Home / 3,398,719.74-4,689,684.45-1,948,148.25

Finding the Fourth Proportional to 3,398,719.74, 4,689,684.45 and 1,948,148.25

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Solution

The fourth proportional to 3,398,719.74, 4,689,684.45 and 1,948,148.25 is: 2,688,130.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398,719.74 : 4,689,684.45 = 1,948,148.25 : x
  2. Step 2: Convert to fraction form
    3,398,719.74/4,689,684.45 = 1,948,148.25/x
  3. Step 3: Cross multiply
    3,398,719.74x = 4,689,684.45 × 1,948,148.25
  4. Step 4: Simplify right side
    3,398,719.74x = 9,136,200,554,319.71
  5. Step 5: Solve for x
    x = 9,136,200,554,319.71/3,398,719.74
  6. Step 6: Final answer
    x = 2,688,130.02

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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.