Home / 5,439,000.10-8,149,642.80-4,004,109.40

Finding the Fourth Proportional to 5,439,000.10, 8,149,642.80 and 4,004,109.40

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Solution

The fourth proportional to 5,439,000.10, 8,149,642.80 and 4,004,109.40 is: 5,999,643.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439,000.10 : 8,149,642.80 = 4,004,109.40 : x
  2. Step 2: Convert to fraction form
    5,439,000.10/8,149,642.80 = 4,004,109.40/x
  3. Step 3: Cross multiply
    5,439,000.10x = 8,149,642.80 × 4,004,109.40
  4. Step 4: Simplify right side
    5,439,000.10x = 32,632,061,342,122.32
  5. Step 5: Solve for x
    x = 32,632,061,342,122.32/5,439,000.10
  6. Step 6: Final answer
    x = 5,999,643.45

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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.