Home / 3,178,073.10-4,385,790.75-1,727,774.08

Finding the Fourth Proportional to 3,178,073.10, 4,385,790.75 and 1,727,774.08

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Solution

The fourth proportional to 3,178,073.10, 4,385,790.75 and 1,727,774.08 is: 2,384,355.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,073.10 : 4,385,790.75 = 1,727,774.08 : x
  2. Step 2: Convert to fraction form
    3,178,073.10/4,385,790.75 = 1,727,774.08/x
  3. Step 3: Cross multiply
    3,178,073.10x = 4,385,790.75 × 1,727,774.08
  4. Step 4: Simplify right side
    3,178,073.10x = 7,577,655,578,153.76
  5. Step 5: Solve for x
    x = 7,577,655,578,153.76/3,178,073.10
  6. Step 6: Final answer
    x = 2,384,355.35

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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.