Home / 1,656,166.30-2,480,262.95-1,122,068.09

Finding the Fourth Proportional to 1,656,166.30, 2,480,262.95 and 1,122,068.09

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Solution

The fourth proportional to 1,656,166.30, 2,480,262.95 and 1,122,068.09 is: 1,680,401.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,166.30 : 2,480,262.95 = 1,122,068.09 : x
  2. Step 2: Convert to fraction form
    1,656,166.30/2,480,262.95 = 1,122,068.09/x
  3. Step 3: Cross multiply
    1,656,166.30x = 2,480,262.95 × 1,122,068.09
  4. Step 4: Simplify right side
    1,656,166.30x = 2,783,023,920,010.09
  5. Step 5: Solve for x
    x = 2,783,023,920,010.09/1,656,166.30
  6. Step 6: Final answer
    x = 1,680,401.25

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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.