Home / 2,877,585.12-4,316,374.80-855,820.80

Finding the Fourth Proportional to 2,877,585.12, 4,316,374.80 and 855,820.80

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Solution

The fourth proportional to 2,877,585.12, 4,316,374.80 and 855,820.80 is: 1,283,730.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,585.12 : 4,316,374.80 = 855,820.80 : x
  2. Step 2: Convert to fraction form
    2,877,585.12/4,316,374.80 = 855,820.80/x
  3. Step 3: Cross multiply
    2,877,585.12x = 4,316,374.80 × 855,820.80
  4. Step 4: Simplify right side
    2,877,585.12x = 3,694,043,334,435.84
  5. Step 5: Solve for x
    x = 3,694,043,334,435.84/2,877,585.12
  6. Step 6: Final answer
    x = 1,283,730.34

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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.