Home / 2,672,704.20-4,009,056.12-779,445.48

Finding the Fourth Proportional to 2,672,704.20, 4,009,056.12 and 779,445.48

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Solution

The fourth proportional to 2,672,704.20, 4,009,056.12 and 779,445.48 is: 1,169,168.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672,704.20 : 4,009,056.12 = 779,445.48 : x
  2. Step 2: Convert to fraction form
    2,672,704.20/4,009,056.12 = 779,445.48/x
  3. Step 3: Cross multiply
    2,672,704.20x = 4,009,056.12 × 779,445.48
  4. Step 4: Simplify right side
    2,672,704.20x = 3,124,840,671,800.34
  5. Step 5: Solve for x
    x = 3,124,840,671,800.34/2,672,704.20
  6. Step 6: Final answer
    x = 1,169,168.17

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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.