Home / 2,912,421.62-4,019,279.38-1,623,271.39

Finding the Fourth Proportional to 2,912,421.62, 4,019,279.38 and 1,623,271.39

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Solution

The fourth proportional to 2,912,421.62, 4,019,279.38 and 1,623,271.39 is: 2,240,191.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,421.62 : 4,019,279.38 = 1,623,271.39 : x
  2. Step 2: Convert to fraction form
    2,912,421.62/4,019,279.38 = 1,623,271.39/x
  3. Step 3: Cross multiply
    2,912,421.62x = 4,019,279.38 × 1,623,271.39
  4. Step 4: Simplify right side
    2,912,421.62x = 6,524,381,220,995.46
  5. Step 5: Solve for x
    x = 6,524,381,220,995.46/2,912,421.62
  6. Step 6: Final answer
    x = 2,240,191.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.