Home / 2,999,397.31-4,498,235.74-977,817.67

Finding the Fourth Proportional to 2,999,397.31, 4,498,235.74 and 977,817.67

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Solution

The fourth proportional to 2,999,397.31, 4,498,235.74 and 977,817.67 is: 1,466,446.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999,397.31 : 4,498,235.74 = 977,817.67 : x
  2. Step 2: Convert to fraction form
    2,999,397.31/4,498,235.74 = 977,817.67/x
  3. Step 3: Cross multiply
    2,999,397.31x = 4,498,235.74 × 977,817.67
  4. Step 4: Simplify right side
    2,999,397.31x = 4,398,454,390,397.53
  5. Step 5: Solve for x
    x = 4,398,454,390,397.53/2,999,397.31
  6. Step 6: Final answer
    x = 1,466,446.07

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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.