Home / 2,670,178.15-4,005,211.79-648,432.63

Finding the Fourth Proportional to 2,670,178.15, 4,005,211.79 and 648,432.63

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Solution

The fourth proportional to 2,670,178.15, 4,005,211.79 and 648,432.63 is: 972,635.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670,178.15 : 4,005,211.79 = 648,432.63 : x
  2. Step 2: Convert to fraction form
    2,670,178.15/4,005,211.79 = 648,432.63/x
  3. Step 3: Cross multiply
    2,670,178.15x = 4,005,211.79 × 648,432.63
  4. Step 4: Simplify right side
    2,670,178.15x = 2,597,110,014,696.71
  5. Step 5: Solve for x
    x = 2,597,110,014,696.71/2,670,178.15
  6. Step 6: Final answer
    x = 972,635.48

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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.