Home / 1,557,075.40-2,335,613.10-1,542,329.80

Finding the Fourth Proportional to 1,557,075.40, 2,335,613.10 and 1,542,329.80

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Solution

The fourth proportional to 1,557,075.40, 2,335,613.10 and 1,542,329.80 is: 2,313,494.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,075.40 : 2,335,613.10 = 1,542,329.80 : x
  2. Step 2: Convert to fraction form
    1,557,075.40/2,335,613.10 = 1,542,329.80/x
  3. Step 3: Cross multiply
    1,557,075.40x = 2,335,613.10 × 1,542,329.80
  4. Step 4: Simplify right side
    1,557,075.40x = 3,602,285,685,400.38
  5. Step 5: Solve for x
    x = 3,602,285,685,400.38/1,557,075.40
  6. Step 6: Final answer
    x = 2,313,494.70

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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.