Home / 2,913,999.40-4,370,999.10-2,788,028.20

Finding the Fourth Proportional to 2,913,999.40, 4,370,999.10 and 2,788,028.20

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Solution

The fourth proportional to 2,913,999.40, 4,370,999.10 and 2,788,028.20 is: 4,182,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,999.40 : 4,370,999.10 = 2,788,028.20 : x
  2. Step 2: Convert to fraction form
    2,913,999.40/4,370,999.10 = 2,788,028.20/x
  3. Step 3: Cross multiply
    2,913,999.40x = 4,370,999.10 × 2,788,028.20
  4. Step 4: Simplify right side
    2,913,999.40x = 12,186,468,752,974.62
  5. Step 5: Solve for x
    x = 12,186,468,752,974.62/2,913,999.40
  6. Step 6: Final answer
    x = 4,182,042.30

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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.