Home / 2,999,912.76-4,500,338.40-977,686.74

Finding the Fourth Proportional to 2,999,912.76, 4,500,338.40 and 977,686.74

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Solution

The fourth proportional to 2,999,912.76, 4,500,338.40 and 977,686.74 is: 1,466,683.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,912.76 : 4,500,338.40 = 977,686.74 : x
  2. Step 2: Convert to fraction form
    2,999,912.76/4,500,338.40 = 977,686.74/x
  3. Step 3: Cross multiply
    2,999,912.76x = 4,500,338.40 × 977,686.74
  4. Step 4: Simplify right side
    2,999,912.76x = 4,399,921,179,192.82
  5. Step 5: Solve for x
    x = 4,399,921,179,192.82/2,999,912.76
  6. Step 6: Final answer
    x = 1,466,683.04

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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.