Home / 2,912,457.35-4,019,209.80-1,623,379.48

Finding the Fourth Proportional to 2,912,457.35, 4,019,209.80 and 1,623,379.48

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Solution

The fourth proportional to 2,912,457.35, 4,019,209.80 and 1,623,379.48 is: 2,240,274.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,457.35 : 4,019,209.80 = 1,623,379.48 : x
  2. Step 2: Convert to fraction form
    2,912,457.35/4,019,209.80 = 1,623,379.48/x
  3. Step 3: Cross multiply
    2,912,457.35x = 4,019,209.80 × 1,623,379.48
  4. Step 4: Simplify right side
    2,912,457.35x = 6,524,702,715,134.90
  5. Step 5: Solve for x
    x = 6,524,702,715,134.90/2,912,457.35
  6. Step 6: Final answer
    x = 2,240,274.08

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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.