Home / 1,921,104.68-2,881,657.01-723,295.71

Finding the Fourth Proportional to 1,921,104.68, 2,881,657.01 and 723,295.71

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Solution

The fourth proportional to 1,921,104.68, 2,881,657.01 and 723,295.71 is: 1,084,943.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,104.68 : 2,881,657.01 = 723,295.71 : x
  2. Step 2: Convert to fraction form
    1,921,104.68/2,881,657.01 = 723,295.71/x
  3. Step 3: Cross multiply
    1,921,104.68x = 2,881,657.01 × 723,295.71
  4. Step 4: Simplify right side
    1,921,104.68x = 2,084,290,154,832.67
  5. Step 5: Solve for x
    x = 2,084,290,154,832.67/1,921,104.68
  6. Step 6: Final answer
    x = 1,084,943.57

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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.