Home / 1,557,289-2,149,059.30-841,897

Finding the Fourth Proportional to 1,557,289, 2,149,059.30 and 841,897

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Solution

The fourth proportional to 1,557,289, 2,149,059.30 and 841,897 is: 1,161,818.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,289 : 2,149,059.30 = 841,897 : x
  2. Step 2: Convert to fraction form
    1,557,289/2,149,059.30 = 841,897/x
  3. Step 3: Cross multiply
    1,557,289x = 2,149,059.30 × 841,897
  4. Step 4: Simplify right side
    1,557,289x = 1,809,286,577,492.10
  5. Step 5: Solve for x
    x = 1,809,286,577,492.10/1,557,289
  6. Step 6: Final answer
    x = 1,161,818.12

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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.