Home / 1,461,878.10-2,192,817.15-1,405,890.90

Finding the Fourth Proportional to 1,461,878.10, 2,192,817.15 and 1,405,890.90

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Solution

The fourth proportional to 1,461,878.10, 2,192,817.15 and 1,405,890.90 is: 2,108,836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,878.10 : 2,192,817.15 = 1,405,890.90 : x
  2. Step 2: Convert to fraction form
    1,461,878.10/2,192,817.15 = 1,405,890.90/x
  3. Step 3: Cross multiply
    1,461,878.10x = 2,192,817.15 × 1,405,890.90
  4. Step 4: Simplify right side
    1,461,878.10x = 3,082,861,676,548.93
  5. Step 5: Solve for x
    x = 3,082,861,676,548.93/1,461,878.10
  6. Step 6: Final answer
    x = 2,108,836.35

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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.