Home / 6,402,920.40-9,604,886.04-2,143,104.48

Finding the Fourth Proportional to 6,402,920.40, 9,604,886.04 and 2,143,104.48

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Solution

The fourth proportional to 6,402,920.40, 9,604,886.04 and 2,143,104.48 is: 3,214,825.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402,920.40 : 9,604,886.04 = 2,143,104.48 : x
  2. Step 2: Convert to fraction form
    6,402,920.40/9,604,886.04 = 2,143,104.48/x
  3. Step 3: Cross multiply
    6,402,920.40x = 9,604,886.04 × 2,143,104.48
  4. Step 4: Simplify right side
    6,402,920.40x = 20,584,274,302,213.46
  5. Step 5: Solve for x
    x = 20,584,274,302,213.46/6,402,920.40
  6. Step 6: Final answer
    x = 3,214,825.89

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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.