Home / 1,918,543.28-2,647,520.34-1,059,085.09

Finding the Fourth Proportional to 1,918,543.28, 2,647,520.34 and 1,059,085.09

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Solution

The fourth proportional to 1,918,543.28, 2,647,520.34 and 1,059,085.09 is: 1,461,499.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,543.28 : 2,647,520.34 = 1,059,085.09 : x
  2. Step 2: Convert to fraction form
    1,918,543.28/2,647,520.34 = 1,059,085.09/x
  3. Step 3: Cross multiply
    1,918,543.28x = 2,647,520.34 × 1,059,085.09
  4. Step 4: Simplify right side
    1,918,543.28x = 2,803,949,310,946.93
  5. Step 5: Solve for x
    x = 2,803,949,310,946.93/1,918,543.28
  6. Step 6: Final answer
    x = 1,461,499.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.