Home / 1,819,962.14-2,729,943-621,894.78

Finding the Fourth Proportional to 1,819,962.14, 2,729,943 and 621,894.78

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Solution

The fourth proportional to 1,819,962.14, 2,729,943 and 621,894.78 is: 932,842.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,962.14 : 2,729,943 = 621,894.78 : x
  2. Step 2: Convert to fraction form
    1,819,962.14/2,729,943 = 621,894.78/x
  3. Step 3: Cross multiply
    1,819,962.14x = 2,729,943 × 621,894.78
  4. Step 4: Simplify right side
    1,819,962.14x = 1,697,737,301,397.54
  5. Step 5: Solve for x
    x = 1,697,737,301,397.54/1,819,962.14
  6. Step 6: Final answer
    x = 932,842.10

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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.