Home / 6,986,583.60-9,641,386.60-3,930,790.56

Finding the Fourth Proportional to 6,986,583.60, 9,641,386.60 and 3,930,790.56

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Solution

The fourth proportional to 6,986,583.60, 9,641,386.60 and 3,930,790.56 is: 5,424,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986,583.60 : 9,641,386.60 = 3,930,790.56 : x
  2. Step 2: Convert to fraction form
    6,986,583.60/9,641,386.60 = 3,930,790.56/x
  3. Step 3: Cross multiply
    6,986,583.60x = 9,641,386.60 × 3,930,790.56
  4. Step 4: Simplify right side
    6,986,583.60x = 37,898,271,432,590.49
  5. Step 5: Solve for x
    x = 37,898,271,432,590.49/6,986,583.60
  6. Step 6: Final answer
    x = 5,424,435.40

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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.