Home / 2,318,807.80-3,478,211.70-972,490.60

Finding the Fourth Proportional to 2,318,807.80, 3,478,211.70 and 972,490.60

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Solution

The fourth proportional to 2,318,807.80, 3,478,211.70 and 972,490.60 is: 1,458,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,807.80 : 3,478,211.70 = 972,490.60 : x
  2. Step 2: Convert to fraction form
    2,318,807.80/3,478,211.70 = 972,490.60/x
  3. Step 3: Cross multiply
    2,318,807.80x = 3,478,211.70 × 972,490.60
  4. Step 4: Simplify right side
    2,318,807.80x = 3,382,528,183,060.02
  5. Step 5: Solve for x
    x = 3,382,528,183,060.02/2,318,807.80
  6. Step 6: Final answer
    x = 1,458,735.90

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Similar ratio
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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.