Home / 1,965,981.60-2,943,315.36-1,760,837.76

Finding the Fourth Proportional to 1,965,981.60, 2,943,315.36 and 1,760,837.76

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Solution

The fourth proportional to 1,965,981.60, 2,943,315.36 and 1,760,837.76 is: 2,636,189.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965,981.60 : 2,943,315.36 = 1,760,837.76 : x
  2. Step 2: Convert to fraction form
    1,965,981.60/2,943,315.36 = 1,760,837.76/x
  3. Step 3: Cross multiply
    1,965,981.60x = 2,943,315.36 × 1,760,837.76
  4. Step 4: Simplify right side
    1,965,981.60x = 5,182,700,825,475.99
  5. Step 5: Solve for x
    x = 5,182,700,825,475.99/1,965,981.60
  6. Step 6: Final answer
    x = 2,636,189.89

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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.