Home / 5,181,040.90-7,772,144.55-1,586,779.30

Finding the Fourth Proportional to 5,181,040.90, 7,772,144.55 and 1,586,779.30

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Solution

The fourth proportional to 5,181,040.90, 7,772,144.55 and 1,586,779.30 is: 2,380,347.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181,040.90 : 7,772,144.55 = 1,586,779.30 : x
  2. Step 2: Convert to fraction form
    5,181,040.90/7,772,144.55 = 1,586,779.30/x
  3. Step 3: Cross multiply
    5,181,040.90x = 7,772,144.55 × 1,586,779.30
  4. Step 4: Simplify right side
    5,181,040.90x = 12,332,678,088,547.81
  5. Step 5: Solve for x
    x = 12,332,678,088,547.81/5,181,040.90
  6. Step 6: Final answer
    x = 2,380,347.56

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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.