Home / 5,246,647.20-7,869,970.80-1,881,194.40

Finding the Fourth Proportional to 5,246,647.20, 7,869,970.80 and 1,881,194.40

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Solution

The fourth proportional to 5,246,647.20, 7,869,970.80 and 1,881,194.40 is: 2,821,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246,647.20 : 7,869,970.80 = 1,881,194.40 : x
  2. Step 2: Convert to fraction form
    5,246,647.20/7,869,970.80 = 1,881,194.40/x
  3. Step 3: Cross multiply
    5,246,647.20x = 7,869,970.80 × 1,881,194.40
  4. Step 4: Simplify right side
    5,246,647.20x = 14,804,944,997,123.52
  5. Step 5: Solve for x
    x = 14,804,944,997,123.52/5,246,647.20
  6. Step 6: Final answer
    x = 2,821,791.60

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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.