Home / 2,676,390.40-4,013,257.20-970,465.60

Finding the Fourth Proportional to 2,676,390.40, 4,013,257.20 and 970,465.60

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Solution

The fourth proportional to 2,676,390.40, 4,013,257.20 and 970,465.60 is: 1,455,216.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676,390.40 : 4,013,257.20 = 970,465.60 : x
  2. Step 2: Convert to fraction form
    2,676,390.40/4,013,257.20 = 970,465.60/x
  3. Step 3: Cross multiply
    2,676,390.40x = 4,013,257.20 × 970,465.60
  4. Step 4: Simplify right side
    2,676,390.40x = 3,894,728,056,552.32
  5. Step 5: Solve for x
    x = 3,894,728,056,552.32/2,676,390.40
  6. Step 6: Final answer
    x = 1,455,216.72

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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.