Home / 4,912,980.52-7,369,470.78-1,919,065

Finding the Fourth Proportional to 4,912,980.52, 7,369,470.78 and 1,919,065

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Solution

The fourth proportional to 4,912,980.52, 7,369,470.78 and 1,919,065 is: 2,878,597.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912,980.52 : 7,369,470.78 = 1,919,065 : x
  2. Step 2: Convert to fraction form
    4,912,980.52/7,369,470.78 = 1,919,065/x
  3. Step 3: Cross multiply
    4,912,980.52x = 7,369,470.78 × 1,919,065
  4. Step 4: Simplify right side
    4,912,980.52x = 14,142,493,442,420.70
  5. Step 5: Solve for x
    x = 14,142,493,442,420.70/4,912,980.52
  6. Step 6: Final answer
    x = 2,878,597.50

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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.