Home / 5,306,378.40-7,960,700.88-1,712,349.60

Finding the Fourth Proportional to 5,306,378.40, 7,960,700.88 and 1,712,349.60

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Solution

The fourth proportional to 5,306,378.40, 7,960,700.88 and 1,712,349.60 is: 2,568,890.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306,378.40 : 7,960,700.88 = 1,712,349.60 : x
  2. Step 2: Convert to fraction form
    5,306,378.40/7,960,700.88 = 1,712,349.60/x
  3. Step 3: Cross multiply
    5,306,378.40x = 7,960,700.88 × 1,712,349.60
  4. Step 4: Simplify right side
    5,306,378.40x = 13,631,502,967,587.65
  5. Step 5: Solve for x
    x = 13,631,502,967,587.65/5,306,378.40
  6. Step 6: Final answer
    x = 2,568,890.11

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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.