Home / 1,851,861.61-2,778,124.11-654,479.11

Finding the Fourth Proportional to 1,851,861.61, 2,778,124.11 and 654,479.11

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Solution

The fourth proportional to 1,851,861.61, 2,778,124.11 and 654,479.11 is: 981,835.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,861.61 : 2,778,124.11 = 654,479.11 : x
  2. Step 2: Convert to fraction form
    1,851,861.61/2,778,124.11 = 654,479.11/x
  3. Step 3: Cross multiply
    1,851,861.61x = 2,778,124.11 × 654,479.11
  4. Step 4: Simplify right side
    1,851,861.61x = 1,818,224,194,982.34
  5. Step 5: Solve for x
    x = 1,818,224,194,982.34/1,851,861.61
  6. Step 6: Final answer
    x = 981,835.89

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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.