Home / 1,974,116.61-2,962,354.68-1,813,503.33

Finding the Fourth Proportional to 1,974,116.61, 2,962,354.68 and 1,813,503.33

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Solution

The fourth proportional to 1,974,116.61, 2,962,354.68 and 1,813,503.33 is: 2,721,338.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,974,116.61 : 2,962,354.68 = 1,813,503.33 : x
  2. Step 2: Convert to fraction form
    1,974,116.61/2,962,354.68 = 1,813,503.33/x
  3. Step 3: Cross multiply
    1,974,116.61x = 2,962,354.68 × 1,813,503.33
  4. Step 4: Simplify right side
    1,974,116.61x = 5,372,240,076,821.09
  5. Step 5: Solve for x
    x = 5,372,240,076,821.09/1,974,116.61
  6. Step 6: Final answer
    x = 2,721,338.77

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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.