Home / 3,072,140.60-4,608,210.90-942,207.80

Finding the Fourth Proportional to 3,072,140.60, 4,608,210.90 and 942,207.80

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Solution

The fourth proportional to 3,072,140.60, 4,608,210.90 and 942,207.80 is: 1,413,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,140.60 : 4,608,210.90 = 942,207.80 : x
  2. Step 2: Convert to fraction form
    3,072,140.60/4,608,210.90 = 942,207.80/x
  3. Step 3: Cross multiply
    3,072,140.60x = 4,608,210.90 × 942,207.80
  4. Step 4: Simplify right side
    3,072,140.60x = 4,341,892,254,025.02
  5. Step 5: Solve for x
    x = 4,341,892,254,025.02/3,072,140.60
  6. Step 6: Final answer
    x = 1,413,311.70

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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.