Home / 1,953,629.40-2,930,298.30-816,097.80

Finding the Fourth Proportional to 1,953,629.40, 2,930,298.30 and 816,097.80

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Solution

The fourth proportional to 1,953,629.40, 2,930,298.30 and 816,097.80 is: 1,224,085.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,629.40 : 2,930,298.30 = 816,097.80 : x
  2. Step 2: Convert to fraction form
    1,953,629.40/2,930,298.30 = 816,097.80/x
  3. Step 3: Cross multiply
    1,953,629.40x = 2,930,298.30 × 816,097.80
  4. Step 4: Simplify right side
    1,953,629.40x = 2,391,409,995,973.74
  5. Step 5: Solve for x
    x = 2,391,409,995,973.74/1,953,629.40
  6. Step 6: Final answer
    x = 1,224,085.79

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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.