Home / 1,916,423.36-2,874,922.12-619,142.24

Finding the Fourth Proportional to 1,916,423.36, 2,874,922.12 and 619,142.24

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Solution

The fourth proportional to 1,916,423.36, 2,874,922.12 and 619,142.24 is: 928,806.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,423.36 : 2,874,922.12 = 619,142.24 : x
  2. Step 2: Convert to fraction form
    1,916,423.36/2,874,922.12 = 619,142.24/x
  3. Step 3: Cross multiply
    1,916,423.36x = 2,874,922.12 × 619,142.24
  4. Step 4: Simplify right side
    1,916,423.36x = 1,779,985,721,202.35
  5. Step 5: Solve for x
    x = 1,779,985,721,202.35/1,916,423.36
  6. Step 6: Final answer
    x = 928,806.11

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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.