Home / 5,471,571.90-8,207,781.55-1,828,314.39

Finding the Fourth Proportional to 5,471,571.90, 8,207,781.55 and 1,828,314.39

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Solution

The fourth proportional to 5,471,571.90, 8,207,781.55 and 1,828,314.39 is: 2,742,613.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471,571.90 : 8,207,781.55 = 1,828,314.39 : x
  2. Step 2: Convert to fraction form
    5,471,571.90/8,207,781.55 = 1,828,314.39/x
  3. Step 3: Cross multiply
    5,471,571.90x = 8,207,781.55 × 1,828,314.39
  4. Step 4: Simplify right side
    5,471,571.90x = 15,006,405,117,841.50
  5. Step 5: Solve for x
    x = 15,006,405,117,841.50/5,471,571.90
  6. Step 6: Final answer
    x = 2,742,613.16

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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.