Home / 6,240,930.40-9,361,395.60-5,298,479.20

Finding the Fourth Proportional to 6,240,930.40, 9,361,395.60 and 5,298,479.20

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Solution

The fourth proportional to 6,240,930.40, 9,361,395.60 and 5,298,479.20 is: 7,947,718.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240,930.40 : 9,361,395.60 = 5,298,479.20 : x
  2. Step 2: Convert to fraction form
    6,240,930.40/9,361,395.60 = 5,298,479.20/x
  3. Step 3: Cross multiply
    6,240,930.40x = 9,361,395.60 × 5,298,479.20
  4. Step 4: Simplify right side
    6,240,930.40x = 49,601,159,869,571.52
  5. Step 5: Solve for x
    x = 49,601,159,869,571.52/6,240,930.40
  6. Step 6: Final answer
    x = 7,947,718.80

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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.