Home / 3,986,435.16-5,502,980.97-2,680,444.20

Finding the Fourth Proportional to 3,986,435.16, 5,502,980.97 and 2,680,444.20

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Solution

The fourth proportional to 3,986,435.16, 5,502,980.97 and 2,680,444.20 is: 3,700,156.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,435.16 : 5,502,980.97 = 2,680,444.20 : x
  2. Step 2: Convert to fraction form
    3,986,435.16/5,502,980.97 = 2,680,444.20/x
  3. Step 3: Cross multiply
    3,986,435.16x = 5,502,980.97 × 2,680,444.20
  4. Step 4: Simplify right side
    3,986,435.16x = 14,750,433,423,746.88
  5. Step 5: Solve for x
    x = 14,750,433,423,746.88/3,986,435.16
  6. Step 6: Final answer
    x = 3,700,156.36

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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.