Home / 2,720,672.80-4,082,564.40-1,038,983.20

Finding the Fourth Proportional to 2,720,672.80, 4,082,564.40 and 1,038,983.20

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Solution

The fourth proportional to 2,720,672.80, 4,082,564.40 and 1,038,983.20 is: 1,559,068.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,672.80 : 4,082,564.40 = 1,038,983.20 : x
  2. Step 2: Convert to fraction form
    2,720,672.80/4,082,564.40 = 1,038,983.20/x
  3. Step 3: Cross multiply
    2,720,672.80x = 4,082,564.40 × 1,038,983.20
  4. Step 4: Simplify right side
    2,720,672.80x = 4,241,715,824,518.08
  5. Step 5: Solve for x
    x = 4,241,715,824,518.08/2,720,672.80
  6. Step 6: Final answer
    x = 1,559,068.71

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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.