Home / 1,925,001.78-2,656,470.30-1,065,543.60

Finding the Fourth Proportional to 1,925,001.78, 2,656,470.30 and 1,065,543.60

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Solution

The fourth proportional to 1,925,001.78, 2,656,470.30 and 1,065,543.60 is: 1,470,432.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925,001.78 : 2,656,470.30 = 1,065,543.60 : x
  2. Step 2: Convert to fraction form
    1,925,001.78/2,656,470.30 = 1,065,543.60/x
  3. Step 3: Cross multiply
    1,925,001.78x = 2,656,470.30 × 1,065,543.60
  4. Step 4: Simplify right side
    1,925,001.78x = 2,830,584,926,755.08
  5. Step 5: Solve for x
    x = 2,830,584,926,755.08/1,925,001.78
  6. Step 6: Final answer
    x = 1,470,432.37

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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.