Home / 1,681,991.20-2,520,403.36-1,141,545.16

Finding the Fourth Proportional to 1,681,991.20, 2,520,403.36 and 1,141,545.16

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Solution

The fourth proportional to 1,681,991.20, 2,520,403.36 and 1,141,545.16 is: 1,710,564.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,991.20 : 2,520,403.36 = 1,141,545.16 : x
  2. Step 2: Convert to fraction form
    1,681,991.20/2,520,403.36 = 1,141,545.16/x
  3. Step 3: Cross multiply
    1,681,991.20x = 2,520,403.36 × 1,141,545.16
  4. Step 4: Simplify right side
    1,681,991.20x = 2,877,154,256,855.74
  5. Step 5: Solve for x
    x = 2,877,154,256,855.74/1,681,991.20
  6. Step 6: Final answer
    x = 1,710,564.39

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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.