Home / 1,931,432.16-2,665,356.24-1,071,999.84

Finding the Fourth Proportional to 1,931,432.16, 2,665,356.24 and 1,071,999.84

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Solution

The fourth proportional to 1,931,432.16, 2,665,356.24 and 1,071,999.84 is: 1,479,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,432.16 : 2,665,356.24 = 1,071,999.84 : x
  2. Step 2: Convert to fraction form
    1,931,432.16/2,665,356.24 = 1,071,999.84/x
  3. Step 3: Cross multiply
    1,931,432.16x = 2,665,356.24 × 1,071,999.84
  4. Step 4: Simplify right side
    1,931,432.16x = 2,857,261,462,823.00
  5. Step 5: Solve for x
    x = 2,857,261,462,823.00/1,931,432.16
  6. Step 6: Final answer
    x = 1,479,348.60

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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.