Home / 1,567,933.79-2,164,676.17-987,654.35

Finding the Fourth Proportional to 1,567,933.79, 2,164,676.17 and 987,654.35

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Solution

The fourth proportional to 1,567,933.79, 2,164,676.17 and 987,654.35 is: 1,363,547.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,933.79 : 2,164,676.17 = 987,654.35 : x
  2. Step 2: Convert to fraction form
    1,567,933.79/2,164,676.17 = 987,654.35/x
  3. Step 3: Cross multiply
    1,567,933.79x = 2,164,676.17 × 987,654.35
  4. Step 4: Simplify right side
    1,567,933.79x = 2,137,951,831,037.72
  5. Step 5: Solve for x
    x = 2,137,951,831,037.72/1,567,933.79
  6. Step 6: Final answer
    x = 1,363,547.26

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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.