Home / 3,070,326.40-4,605,446.40-1,387,427.20

Finding the Fourth Proportional to 3,070,326.40, 4,605,446.40 and 1,387,427.20

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Solution

The fourth proportional to 3,070,326.40, 4,605,446.40 and 1,387,427.20 is: 2,081,121.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070,326.40 : 4,605,446.40 = 1,387,427.20 : x
  2. Step 2: Convert to fraction form
    3,070,326.40/4,605,446.40 = 1,387,427.20/x
  3. Step 3: Cross multiply
    3,070,326.40x = 4,605,446.40 × 1,387,427.20
  4. Step 4: Simplify right side
    3,070,326.40x = 6,389,721,603,502.08
  5. Step 5: Solve for x
    x = 6,389,721,603,502.08/3,070,326.40
  6. Step 6: Final answer
    x = 2,081,121.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.