Home / 2,894,423.72-3,994,438.08-1,605,187.28

Finding the Fourth Proportional to 2,894,423.72, 3,994,438.08 and 1,605,187.28

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Solution

The fourth proportional to 2,894,423.72, 3,994,438.08 and 1,605,187.28 is: 2,215,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894,423.72 : 3,994,438.08 = 1,605,187.28 : x
  2. Step 2: Convert to fraction form
    2,894,423.72/3,994,438.08 = 1,605,187.28/x
  3. Step 3: Cross multiply
    2,894,423.72x = 3,994,438.08 × 1,605,187.28
  4. Step 4: Simplify right side
    2,894,423.72x = 6,411,821,196,763.62
  5. Step 5: Solve for x
    x = 6,411,821,196,763.62/2,894,423.72
  6. Step 6: Final answer
    x = 2,215,232.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.