Home / 2,931,966.40-4,394,450.40-1,511,291.20

Finding the Fourth Proportional to 2,931,966.40, 4,394,450.40 and 1,511,291.20

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Solution

The fourth proportional to 2,931,966.40, 4,394,450.40 and 1,511,291.20 is: 2,265,133.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931,966.40 : 4,394,450.40 = 1,511,291.20 : x
  2. Step 2: Convert to fraction form
    2,931,966.40/4,394,450.40 = 1,511,291.20/x
  3. Step 3: Cross multiply
    2,931,966.40x = 4,394,450.40 × 1,511,291.20
  4. Step 4: Simplify right side
    2,931,966.40x = 6,641,294,218,356.48
  5. Step 5: Solve for x
    x = 6,641,294,218,356.48/2,931,966.40
  6. Step 6: Final answer
    x = 2,265,133.13

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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.