Home / 1,879,465.19-2,818,565.96-681,136.61

Finding the Fourth Proportional to 1,879,465.19, 2,818,565.96 and 681,136.61

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Solution

The fourth proportional to 1,879,465.19, 2,818,565.96 and 681,136.61 is: 1,021,475.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,465.19 : 2,818,565.96 = 681,136.61 : x
  2. Step 2: Convert to fraction form
    1,879,465.19/2,818,565.96 = 681,136.61/x
  3. Step 3: Cross multiply
    1,879,465.19x = 2,818,565.96 × 681,136.61
  4. Step 4: Simplify right side
    1,879,465.19x = 1,919,828,459,650.11
  5. Step 5: Solve for x
    x = 1,919,828,459,650.11/1,879,465.19
  6. Step 6: Final answer
    x = 1,021,475.93

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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.