Home / 2,378,818.85-3,282,773.16-1,291,090.40

Finding the Fourth Proportional to 2,378,818.85, 3,282,773.16 and 1,291,090.40

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Solution

The fourth proportional to 2,378,818.85, 3,282,773.16 and 1,291,090.40 is: 1,781,706.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,818.85 : 3,282,773.16 = 1,291,090.40 : x
  2. Step 2: Convert to fraction form
    2,378,818.85/3,282,773.16 = 1,291,090.40/x
  3. Step 3: Cross multiply
    2,378,818.85x = 3,282,773.16 × 1,291,090.40
  4. Step 4: Simplify right side
    2,378,818.85x = 4,238,356,895,839.80
  5. Step 5: Solve for x
    x = 4,238,356,895,839.80/2,378,818.85
  6. Step 6: Final answer
    x = 1,781,706.46

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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.