Home / 3,478,276.60-5,217,155.70-1,455,998.20

Finding the Fourth Proportional to 3,478,276.60, 5,217,155.70 and 1,455,998.20

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Solution

The fourth proportional to 3,478,276.60, 5,217,155.70 and 1,455,998.20 is: 2,183,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,276.60 : 5,217,155.70 = 1,455,998.20 : x
  2. Step 2: Convert to fraction form
    3,478,276.60/5,217,155.70 = 1,455,998.20/x
  3. Step 3: Cross multiply
    3,478,276.60x = 5,217,155.70 × 1,455,998.20
  4. Step 4: Simplify right side
    3,478,276.60x = 7,596,169,308,319.74
  5. Step 5: Solve for x
    x = 7,596,169,308,319.74/3,478,276.60
  6. Step 6: Final answer
    x = 2,183,888.80

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1.5x scale

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.