Home / 6,980,072.16-10,470,239.28-2,187,655.20

Finding the Fourth Proportional to 6,980,072.16, 10,470,239.28 and 2,187,655.20

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Solution

The fourth proportional to 6,980,072.16, 10,470,239.28 and 2,187,655.20 is: 3,281,523.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,980,072.16 : 10,470,239.28 = 2,187,655.20 : x
  2. Step 2: Convert to fraction form
    6,980,072.16/10,470,239.28 = 2,187,655.20/x
  3. Step 3: Cross multiply
    6,980,072.16x = 10,470,239.28 × 2,187,655.20
  4. Step 4: Simplify right side
    6,980,072.16x = 22,905,273,406,136.26
  5. Step 5: Solve for x
    x = 22,905,273,406,136.26/6,980,072.16
  6. Step 6: Final answer
    x = 3,281,523.87

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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.