Home / 7,239,285.60-10,860,386.40-2,121,705.60

Finding the Fourth Proportional to 7,239,285.60, 10,860,386.40 and 2,121,705.60

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Solution

The fourth proportional to 7,239,285.60, 10,860,386.40 and 2,121,705.60 is: 3,182,985.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,285.60 : 10,860,386.40 = 2,121,705.60 : x
  2. Step 2: Convert to fraction form
    7,239,285.60/10,860,386.40 = 2,121,705.60/x
  3. Step 3: Cross multiply
    7,239,285.60x = 10,860,386.40 × 2,121,705.60
  4. Step 4: Simplify right side
    7,239,285.60x = 23,042,542,643,043.84
  5. Step 5: Solve for x
    x = 23,042,542,643,043.84/7,239,285.60
  6. Step 6: Final answer
    x = 3,182,985.71

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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.