Home / 2,927,456.76-4,395,214.86-1,489,113.60

Finding the Fourth Proportional to 2,927,456.76, 4,395,214.86 and 1,489,113.60

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Solution

The fourth proportional to 2,927,456.76, 4,395,214.86 and 1,489,113.60 is: 2,235,720.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927,456.76 : 4,395,214.86 = 1,489,113.60 : x
  2. Step 2: Convert to fraction form
    2,927,456.76/4,395,214.86 = 1,489,113.60/x
  3. Step 3: Cross multiply
    2,927,456.76x = 4,395,214.86 × 1,489,113.60
  4. Step 4: Simplify right side
    2,927,456.76x = 6,544,974,222,948.10
  5. Step 5: Solve for x
    x = 6,544,974,222,948.10/2,927,456.76
  6. Step 6: Final answer
    x = 2,235,720.20

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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.