Home / 1,638,189.60-2,456,701.20-740,061.60

Finding the Fourth Proportional to 1,638,189.60, 2,456,701.20 and 740,061.60

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Solution

The fourth proportional to 1,638,189.60, 2,456,701.20 and 740,061.60 is: 1,109,828.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,189.60 : 2,456,701.20 = 740,061.60 : x
  2. Step 2: Convert to fraction form
    1,638,189.60/2,456,701.20 = 740,061.60/x
  3. Step 3: Cross multiply
    1,638,189.60x = 2,456,701.20 × 740,061.60
  4. Step 4: Simplify right side
    1,638,189.60x = 1,818,110,220,793.92
  5. Step 5: Solve for x
    x = 1,818,110,220,793.92/1,638,189.60
  6. Step 6: Final answer
    x = 1,109,828.94

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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.