Home / 4,853,428.47-6,697,871.52-2,678,111.76

Finding the Fourth Proportional to 4,853,428.47, 6,697,871.52 and 2,678,111.76

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Solution

The fourth proportional to 4,853,428.47, 6,697,871.52 and 2,678,111.76 is: 3,695,871.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,853,428.47 : 6,697,871.52 = 2,678,111.76 : x
  2. Step 2: Convert to fraction form
    4,853,428.47/6,697,871.52 = 2,678,111.76/x
  3. Step 3: Cross multiply
    4,853,428.47x = 6,697,871.52 × 2,678,111.76
  4. Step 4: Simplify right side
    4,853,428.47x = 17,937,648,477,144.03
  5. Step 5: Solve for x
    x = 17,937,648,477,144.03/4,853,428.47
  6. Step 6: Final answer
    x = 3,695,871.61

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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.