Home / 2,124,503.35-2,931,722.94-1,206,729.63

Finding the Fourth Proportional to 2,124,503.35, 2,931,722.94 and 1,206,729.63

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Solution

The fourth proportional to 2,124,503.35, 2,931,722.94 and 1,206,729.63 is: 1,665,234.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,503.35 : 2,931,722.94 = 1,206,729.63 : x
  2. Step 2: Convert to fraction form
    2,124,503.35/2,931,722.94 = 1,206,729.63/x
  3. Step 3: Cross multiply
    2,124,503.35x = 2,931,722.94 × 1,206,729.63
  4. Step 4: Simplify right side
    2,124,503.35x = 3,537,796,938,648.71
  5. Step 5: Solve for x
    x = 3,537,796,938,648.71/2,124,503.35
  6. Step 6: Final answer
    x = 1,665,234.82

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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.