Home / 1,549,162.76-2,138,045.08-870,099.24

Finding the Fourth Proportional to 1,549,162.76, 2,138,045.08 and 870,099.24

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Solution

The fourth proportional to 1,549,162.76, 2,138,045.08 and 870,099.24 is: 1,200,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,162.76 : 2,138,045.08 = 870,099.24 : x
  2. Step 2: Convert to fraction form
    1,549,162.76/2,138,045.08 = 870,099.24/x
  3. Step 3: Cross multiply
    1,549,162.76x = 2,138,045.08 × 870,099.24
  4. Step 4: Simplify right side
    1,549,162.76x = 1,860,311,399,193.74
  5. Step 5: Solve for x
    x = 1,860,311,399,193.74/1,549,162.76
  6. Step 6: Final answer
    x = 1,200,849.55

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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.