Home / 3,976,869.48-5,486,203.62-2,688,159.72

Finding the Fourth Proportional to 3,976,869.48, 5,486,203.62 and 2,688,159.72

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Solution

The fourth proportional to 3,976,869.48, 5,486,203.62 and 2,688,159.72 is: 3,708,392.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976,869.48 : 5,486,203.62 = 2,688,159.72 : x
  2. Step 2: Convert to fraction form
    3,976,869.48/5,486,203.62 = 2,688,159.72/x
  3. Step 3: Cross multiply
    3,976,869.48x = 5,486,203.62 × 2,688,159.72
  4. Step 4: Simplify right side
    3,976,869.48x = 14,747,791,587,002.19
  5. Step 5: Solve for x
    x = 14,747,791,587,002.19/3,976,869.48
  6. Step 6: Final answer
    x = 3,708,392.16

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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.