Home / 1,815,427.53-2,722,705.35-535,689.21

Finding the Fourth Proportional to 1,815,427.53, 2,722,705.35 and 535,689.21

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Solution

The fourth proportional to 1,815,427.53, 2,722,705.35 and 535,689.21 is: 803,405.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,427.53 : 2,722,705.35 = 535,689.21 : x
  2. Step 2: Convert to fraction form
    1,815,427.53/2,722,705.35 = 535,689.21/x
  3. Step 3: Cross multiply
    1,815,427.53x = 2,722,705.35 × 535,689.21
  4. Step 4: Simplify right side
    1,815,427.53x = 1,458,523,878,004.27
  5. Step 5: Solve for x
    x = 1,458,523,878,004.27/1,815,427.53
  6. Step 6: Final answer
    x = 803,405.18

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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.