Home / 2,718,830.40-4,078,231.20-697,070.40

Finding the Fourth Proportional to 2,718,830.40, 4,078,231.20 and 697,070.40

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Solution

The fourth proportional to 2,718,830.40, 4,078,231.20 and 697,070.40 is: 1,045,601.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,830.40 : 4,078,231.20 = 697,070.40 : x
  2. Step 2: Convert to fraction form
    2,718,830.40/4,078,231.20 = 697,070.40/x
  3. Step 3: Cross multiply
    2,718,830.40x = 4,078,231.20 × 697,070.40
  4. Step 4: Simplify right side
    2,718,830.40x = 2,842,814,253,876.48
  5. Step 5: Solve for x
    x = 2,842,814,253,876.48/2,718,830.40
  6. Step 6: Final answer
    x = 1,045,601.91

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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.