Home / 2,461,836.70-3,692,385.69-778,721.50

Finding the Fourth Proportional to 2,461,836.70, 3,692,385.69 and 778,721.50

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Solution

The fourth proportional to 2,461,836.70, 3,692,385.69 and 778,721.50 is: 1,167,965.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461,836.70 : 3,692,385.69 = 778,721.50 : x
  2. Step 2: Convert to fraction form
    2,461,836.70/3,692,385.69 = 778,721.50/x
  3. Step 3: Cross multiply
    2,461,836.70x = 3,692,385.69 × 778,721.50
  4. Step 4: Simplify right side
    2,461,836.70x = 2,875,340,123,095.34
  5. Step 5: Solve for x
    x = 2,875,340,123,095.34/2,461,836.70
  6. Step 6: Final answer
    x = 1,167,965.42

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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.