Home / 2,878,063.76-4,316,343.96-855,763.12

Finding the Fourth Proportional to 2,878,063.76, 4,316,343.96 and 855,763.12

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Solution

The fourth proportional to 2,878,063.76, 4,316,343.96 and 855,763.12 is: 1,283,421.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,063.76 : 4,316,343.96 = 855,763.12 : x
  2. Step 2: Convert to fraction form
    2,878,063.76/4,316,343.96 = 855,763.12/x
  3. Step 3: Cross multiply
    2,878,063.76x = 4,316,343.96 × 855,763.12
  4. Step 4: Simplify right side
    2,878,063.76x = 3,693,767,974,202.76
  5. Step 5: Solve for x
    x = 3,693,767,974,202.76/2,878,063.76
  6. Step 6: Final answer
    x = 1,283,421.18

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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.