Home / 2,877,176.67-4,315,763.79-855,411.81

Finding the Fourth Proportional to 2,877,176.67, 4,315,763.79 and 855,411.81

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Solution

The fourth proportional to 2,877,176.67, 4,315,763.79 and 855,411.81 is: 1,283,117.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,176.67 : 4,315,763.79 = 855,411.81 : x
  2. Step 2: Convert to fraction form
    2,877,176.67/4,315,763.79 = 855,411.81/x
  3. Step 3: Cross multiply
    2,877,176.67x = 4,315,763.79 × 855,411.81
  4. Step 4: Simplify right side
    2,877,176.67x = 3,691,755,315,136.36
  5. Step 5: Solve for x
    x = 3,691,755,315,136.36/2,877,176.67
  6. Step 6: Final answer
    x = 1,283,117.35

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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.