Home / 1,812,172.86-2,718,275.40-550,000.26

Finding the Fourth Proportional to 1,812,172.86, 2,718,275.40 and 550,000.26

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Solution

The fourth proportional to 1,812,172.86, 2,718,275.40 and 550,000.26 is: 825,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,172.86 : 2,718,275.40 = 550,000.26 : x
  2. Step 2: Convert to fraction form
    1,812,172.86/2,718,275.40 = 550,000.26/x
  3. Step 3: Cross multiply
    1,812,172.86x = 2,718,275.40 × 550,000.26
  4. Step 4: Simplify right side
    1,812,172.86x = 1,495,052,176,751.60
  5. Step 5: Solve for x
    x = 1,495,052,176,751.60/1,812,172.86
  6. Step 6: Final answer
    x = 825,005.28

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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.