Home / 3,139,701.90-4,709,898.45-1,145,589.90

Finding the Fourth Proportional to 3,139,701.90, 4,709,898.45 and 1,145,589.90

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Solution

The fourth proportional to 3,139,701.90, 4,709,898.45 and 1,145,589.90 is: 1,718,510.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,701.90 : 4,709,898.45 = 1,145,589.90 : x
  2. Step 2: Convert to fraction form
    3,139,701.90/4,709,898.45 = 1,145,589.90/x
  3. Step 3: Cross multiply
    3,139,701.90x = 4,709,898.45 × 1,145,589.90
  4. Step 4: Simplify right side
    3,139,701.90x = 5,395,612,094,345.65
  5. Step 5: Solve for x
    x = 5,395,612,094,345.65/3,139,701.90
  6. Step 6: Final answer
    x = 1,718,510.95

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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.