Home / 1,917,281.70-2,875,922.55-1,612,851.30

Finding the Fourth Proportional to 1,917,281.70, 2,875,922.55 and 1,612,851.30

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Solution

The fourth proportional to 1,917,281.70, 2,875,922.55 and 1,612,851.30 is: 2,419,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,281.70 : 2,875,922.55 = 1,612,851.30 : x
  2. Step 2: Convert to fraction form
    1,917,281.70/2,875,922.55 = 1,612,851.30/x
  3. Step 3: Cross multiply
    1,917,281.70x = 2,875,922.55 × 1,612,851.30
  4. Step 4: Simplify right side
    1,917,281.70x = 4,638,435,423,466.81
  5. Step 5: Solve for x
    x = 4,638,435,423,466.81/1,917,281.70
  6. Step 6: Final answer
    x = 2,419,276.95

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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.