Home / 1,928,425.34-2,661,248.62-1,101,608.40

Finding the Fourth Proportional to 1,928,425.34, 2,661,248.62 and 1,101,608.40

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Solution

The fourth proportional to 1,928,425.34, 2,661,248.62 and 1,101,608.40 is: 1,520,231.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,425.34 : 2,661,248.62 = 1,101,608.40 : x
  2. Step 2: Convert to fraction form
    1,928,425.34/2,661,248.62 = 1,101,608.40/x
  3. Step 3: Cross multiply
    1,928,425.34x = 2,661,248.62 × 1,101,608.40
  4. Step 4: Simplify right side
    1,928,425.34x = 2,931,653,834,280.41
  5. Step 5: Solve for x
    x = 2,931,653,834,280.41/1,928,425.34
  6. Step 6: Final answer
    x = 1,520,231.96

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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.