Home / 3,138,001.20-4,708,991.16-1,340,897.40

Finding the Fourth Proportional to 3,138,001.20, 4,708,991.16 and 1,340,897.40

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Solution

The fourth proportional to 3,138,001.20, 4,708,991.16 and 1,340,897.40 is: 2,012,196.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,001.20 : 4,708,991.16 = 1,340,897.40 : x
  2. Step 2: Convert to fraction form
    3,138,001.20/4,708,991.16 = 1,340,897.40/x
  3. Step 3: Cross multiply
    3,138,001.20x = 4,708,991.16 × 1,340,897.40
  4. Step 4: Simplify right side
    3,138,001.20x = 6,314,274,003,066.98
  5. Step 5: Solve for x
    x = 6,314,274,003,066.98/3,138,001.20
  6. Step 6: Final answer
    x = 2,012,196.17

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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.