Home / 1,557,074.40-2,335,611.60-1,542,328.80

Finding the Fourth Proportional to 1,557,074.40, 2,335,611.60 and 1,542,328.80

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Solution

The fourth proportional to 1,557,074.40, 2,335,611.60 and 1,542,328.80 is: 2,313,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,074.40 : 2,335,611.60 = 1,542,328.80 : x
  2. Step 2: Convert to fraction form
    1,557,074.40/2,335,611.60 = 1,542,328.80/x
  3. Step 3: Cross multiply
    1,557,074.40x = 2,335,611.60 × 1,542,328.80
  4. Step 4: Simplify right side
    1,557,074.40x = 3,602,281,036,294.08
  5. Step 5: Solve for x
    x = 3,602,281,036,294.08/1,557,074.40
  6. Step 6: Final answer
    x = 2,313,493.20

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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.