Home / 1,575,309.80-2,357,715.90-1,449,338.60

Finding the Fourth Proportional to 1,575,309.80, 2,357,715.90 and 1,449,338.60

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Solution

The fourth proportional to 1,575,309.80, 2,357,715.90 and 1,449,338.60 is: 2,169,178.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,309.80 : 2,357,715.90 = 1,449,338.60 : x
  2. Step 2: Convert to fraction form
    1,575,309.80/2,357,715.90 = 1,449,338.60/x
  3. Step 3: Cross multiply
    1,575,309.80x = 2,357,715.90 × 1,449,338.60
  4. Step 4: Simplify right side
    1,575,309.80x = 3,417,128,661,703.74
  5. Step 5: Solve for x
    x = 3,417,128,661,703.74/1,575,309.80
  6. Step 6: Final answer
    x = 2,169,178.83

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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.