Home / 3,166,448.15-4,749,967.91-891,968.76

Finding the Fourth Proportional to 3,166,448.15, 4,749,967.91 and 891,968.76

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Solution

The fourth proportional to 3,166,448.15, 4,749,967.91 and 891,968.76 is: 1,338,036.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166,448.15 : 4,749,967.91 = 891,968.76 : x
  2. Step 2: Convert to fraction form
    3,166,448.15/4,749,967.91 = 891,968.76/x
  3. Step 3: Cross multiply
    3,166,448.15x = 4,749,967.91 × 891,968.76
  4. Step 4: Simplify right side
    3,166,448.15x = 4,236,822,988,952.41
  5. Step 5: Solve for x
    x = 4,236,822,988,952.41/3,166,448.15
  6. Step 6: Final answer
    x = 1,338,036.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.