Home / 1,980,240-2,732,780.16-1,074,819.84

Finding the Fourth Proportional to 1,980,240, 2,732,780.16 and 1,074,819.84

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Solution

The fourth proportional to 1,980,240, 2,732,780.16 and 1,074,819.84 is: 1,483,277.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,240 : 2,732,780.16 = 1,074,819.84 : x
  2. Step 2: Convert to fraction form
    1,980,240/2,732,780.16 = 1,074,819.84/x
  3. Step 3: Cross multiply
    1,980,240x = 2,732,780.16 × 1,074,819.84
  4. Step 4: Simplify right side
    1,980,240x = 2,937,246,334,326.38
  5. Step 5: Solve for x
    x = 2,937,246,334,326.38/1,980,240
  6. Step 6: Final answer
    x = 1,483,277.95

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1.5x scale

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.