Home / 1,918,849.64-2,648,016.43-1,059,411.56

Finding the Fourth Proportional to 1,918,849.64, 2,648,016.43 and 1,059,411.56

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Solution

The fourth proportional to 1,918,849.64, 2,648,016.43 and 1,059,411.56 is: 1,461,990.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,849.64 : 2,648,016.43 = 1,059,411.56 : x
  2. Step 2: Convert to fraction form
    1,918,849.64/2,648,016.43 = 1,059,411.56/x
  3. Step 3: Cross multiply
    1,918,849.64x = 2,648,016.43 × 1,059,411.56
  4. Step 4: Simplify right side
    1,918,849.64x = 2,805,339,201,123.32
  5. Step 5: Solve for x
    x = 2,805,339,201,123.32/1,918,849.64
  6. Step 6: Final answer
    x = 1,461,990.12

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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.