Home / 1,918,820.57-2,647,965.02-1,059,374.52

Finding the Fourth Proportional to 1,918,820.57, 2,647,965.02 and 1,059,374.52

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Solution

The fourth proportional to 1,918,820.57, 2,647,965.02 and 1,059,374.52 is: 1,461,932.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,820.57 : 2,647,965.02 = 1,059,374.52 : x
  2. Step 2: Convert to fraction form
    1,918,820.57/2,647,965.02 = 1,059,374.52/x
  3. Step 3: Cross multiply
    1,918,820.57x = 2,647,965.02 × 1,059,374.52
  4. Step 4: Simplify right side
    1,918,820.57x = 2,805,186,666,742.42
  5. Step 5: Solve for x
    x = 2,805,186,666,742.42/1,918,820.57
  6. Step 6: Final answer
    x = 1,461,932.77

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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.