Home / 2,918,659.80-4,377,989.70-788,683.80

Finding the Fourth Proportional to 2,918,659.80, 4,377,989.70 and 788,683.80

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Solution

The fourth proportional to 2,918,659.80, 4,377,989.70 and 788,683.80 is: 1,183,025.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,659.80 : 4,377,989.70 = 788,683.80 : x
  2. Step 2: Convert to fraction form
    2,918,659.80/4,377,989.70 = 788,683.80/x
  3. Step 3: Cross multiply
    2,918,659.80x = 4,377,989.70 × 788,683.80
  4. Step 4: Simplify right side
    2,918,659.80x = 3,452,849,552,956.86
  5. Step 5: Solve for x
    x = 3,452,849,552,956.86/2,918,659.80
  6. Step 6: Final answer
    x = 1,183,025.70

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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.