Home / 2,930,742.60-4,396,113.90-1,974,148.80

Finding the Fourth Proportional to 2,930,742.60, 4,396,113.90 and 1,974,148.80

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Solution

The fourth proportional to 2,930,742.60, 4,396,113.90 and 1,974,148.80 is: 2,961,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930,742.60 : 4,396,113.90 = 1,974,148.80 : x
  2. Step 2: Convert to fraction form
    2,930,742.60/4,396,113.90 = 1,974,148.80/x
  3. Step 3: Cross multiply
    2,930,742.60x = 4,396,113.90 × 1,974,148.80
  4. Step 4: Simplify right side
    2,930,742.60x = 8,678,582,980,348.32
  5. Step 5: Solve for x
    x = 8,678,582,980,348.32/2,930,742.60
  6. Step 6: Final answer
    x = 2,961,223.20

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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.