Home / 2,915,142.34-4,022,885.91-1,625,981.74

Finding the Fourth Proportional to 2,915,142.34, 4,022,885.91 and 1,625,981.74

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Solution

The fourth proportional to 2,915,142.34, 4,022,885.91 and 1,625,981.74 is: 2,243,848.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,142.34 : 4,022,885.91 = 1,625,981.74 : x
  2. Step 2: Convert to fraction form
    2,915,142.34/4,022,885.91 = 1,625,981.74/x
  3. Step 3: Cross multiply
    2,915,142.34x = 4,022,885.91 × 1,625,981.74
  4. Step 4: Simplify right side
    2,915,142.34x = 6,541,139,031,763.28
  5. Step 5: Solve for x
    x = 6,541,139,031,763.28/2,915,142.34
  6. Step 6: Final answer
    x = 2,243,848.93

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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.