Home / 1,461,200.10-2,191,800.15-1,405,212.90

Finding the Fourth Proportional to 1,461,200.10, 2,191,800.15 and 1,405,212.90

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Solution

The fourth proportional to 1,461,200.10, 2,191,800.15 and 1,405,212.90 is: 2,107,819.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,200.10 : 2,191,800.15 = 1,405,212.90 : x
  2. Step 2: Convert to fraction form
    1,461,200.10/2,191,800.15 = 1,405,212.90/x
  3. Step 3: Cross multiply
    1,461,200.10x = 2,191,800.15 × 1,405,212.90
  4. Step 4: Simplify right side
    1,461,200.10x = 3,079,945,845,001.93
  5. Step 5: Solve for x
    x = 3,079,945,845,001.93/1,461,200.10
  6. Step 6: Final answer
    x = 2,107,819.35

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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.