Home / 6,402,921.90-9,604,888.29-2,143,105.98

Finding the Fourth Proportional to 6,402,921.90, 9,604,888.29 and 2,143,105.98

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Solution

The fourth proportional to 6,402,921.90, 9,604,888.29 and 2,143,105.98 is: 3,214,828.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402,921.90 : 9,604,888.29 = 2,143,105.98 : x
  2. Step 2: Convert to fraction form
    6,402,921.90/9,604,888.29 = 2,143,105.98/x
  3. Step 3: Cross multiply
    6,402,921.90x = 9,604,888.29 × 2,143,105.98
  4. Step 4: Simplify right side
    6,402,921.90x = 20,584,293,531,530.97
  5. Step 5: Solve for x
    x = 20,584,293,531,530.97/6,402,921.90
  6. Step 6: Final answer
    x = 3,214,828.14

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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.