Home / 1,980,854.03-2,970,186.17-614,248.76

Finding the Fourth Proportional to 1,980,854.03, 2,970,186.17 and 614,248.76

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Solution

The fourth proportional to 1,980,854.03, 2,970,186.17 and 614,248.76 is: 921,033.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,854.03 : 2,970,186.17 = 614,248.76 : x
  2. Step 2: Convert to fraction form
    1,980,854.03/2,970,186.17 = 614,248.76/x
  3. Step 3: Cross multiply
    1,980,854.03x = 2,970,186.17 × 614,248.76
  4. Step 4: Simplify right side
    1,980,854.03x = 1,824,433,173,427.27
  5. Step 5: Solve for x
    x = 1,824,433,173,427.27/1,980,854.03
  6. Step 6: Final answer
    x = 921,033.63

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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.