Home / 5,413,121.10-8,119,681.65-1,817,693.10

Finding the Fourth Proportional to 5,413,121.10, 8,119,681.65 and 1,817,693.10

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Solution

The fourth proportional to 5,413,121.10, 8,119,681.65 and 1,817,693.10 is: 2,726,539.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,413,121.10 : 8,119,681.65 = 1,817,693.10 : x
  2. Step 2: Convert to fraction form
    5,413,121.10/8,119,681.65 = 1,817,693.10/x
  3. Step 3: Cross multiply
    5,413,121.10x = 8,119,681.65 × 1,817,693.10
  4. Step 4: Simplify right side
    5,413,121.10x = 14,759,089,309,401.62
  5. Step 5: Solve for x
    x = 14,759,089,309,401.62/5,413,121.10
  6. Step 6: Final answer
    x = 2,726,539.65

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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.