Home / 1,918,815.32-2,648,197.34-1,092,089.90

Finding the Fourth Proportional to 1,918,815.32, 2,648,197.34 and 1,092,089.90

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Solution

The fourth proportional to 1,918,815.32, 2,648,197.34 and 1,092,089.90 is: 1,507,216.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,815.32 : 2,648,197.34 = 1,092,089.90 : x
  2. Step 2: Convert to fraction form
    1,918,815.32/2,648,197.34 = 1,092,089.90/x
  3. Step 3: Cross multiply
    1,918,815.32x = 2,648,197.34 × 1,092,089.90
  4. Step 4: Simplify right side
    1,918,815.32x = 2,892,069,557,710.10
  5. Step 5: Solve for x
    x = 2,892,069,557,710.10/1,918,815.32
  6. Step 6: Final answer
    x = 1,507,216.21

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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.