Home / 5,426,353.72-7,488,349.62-2,978,903.80

Finding the Fourth Proportional to 5,426,353.72, 7,488,349.62 and 2,978,903.80

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Solution

The fourth proportional to 5,426,353.72, 7,488,349.62 and 2,978,903.80 is: 4,110,877.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426,353.72 : 7,488,349.62 = 2,978,903.80 : x
  2. Step 2: Convert to fraction form
    5,426,353.72/7,488,349.62 = 2,978,903.80/x
  3. Step 3: Cross multiply
    5,426,353.72x = 7,488,349.62 × 2,978,903.80
  4. Step 4: Simplify right side
    5,426,353.72x = 22,307,073,138,746.55
  5. Step 5: Solve for x
    x = 22,307,073,138,746.55/5,426,353.72
  6. Step 6: Final answer
    x = 4,110,877.08

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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.