Home / 1,424,810.20-2,132,549.70-1,107,549.40

Finding the Fourth Proportional to 1,424,810.20, 2,132,549.70 and 1,107,549.40

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Solution

The fourth proportional to 1,424,810.20, 2,132,549.70 and 1,107,549.40 is: 1,657,697.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,810.20 : 2,132,549.70 = 1,107,549.40 : x
  2. Step 2: Convert to fraction form
    1,424,810.20/2,132,549.70 = 1,107,549.40/x
  3. Step 3: Cross multiply
    1,424,810.20x = 2,132,549.70 × 1,107,549.40
  4. Step 4: Simplify right side
    1,424,810.20x = 2,361,904,140,705.18
  5. Step 5: Solve for x
    x = 2,361,904,140,705.18/1,424,810.20
  6. Step 6: Final answer
    x = 1,657,697.38

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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.