Home / 2,853,694.66-3,937,994.13-1,564,506.78

Finding the Fourth Proportional to 2,853,694.66, 3,937,994.13 and 1,564,506.78

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Solution

The fourth proportional to 2,853,694.66, 3,937,994.13 and 1,564,506.78 is: 2,158,962.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853,694.66 : 3,937,994.13 = 1,564,506.78 : x
  2. Step 2: Convert to fraction form
    2,853,694.66/3,937,994.13 = 1,564,506.78/x
  3. Step 3: Cross multiply
    2,853,694.66x = 3,937,994.13 × 1,564,506.78
  4. Step 4: Simplify right side
    2,853,694.66x = 6,161,018,515,985.20
  5. Step 5: Solve for x
    x = 6,161,018,515,985.20/2,853,694.66
  6. Step 6: Final answer
    x = 2,158,962.06

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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.