Home / 1,567,218.90-2,355,839.55-1,456,281.30

Finding the Fourth Proportional to 1,567,218.90, 2,355,839.55 and 1,456,281.30

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Solution

The fourth proportional to 1,567,218.90, 2,355,839.55 and 1,456,281.30 is: 2,189,078.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,218.90 : 2,355,839.55 = 1,456,281.30 : x
  2. Step 2: Convert to fraction form
    1,567,218.90/2,355,839.55 = 1,456,281.30/x
  3. Step 3: Cross multiply
    1,567,218.90x = 2,355,839.55 × 1,456,281.30
  4. Step 4: Simplify right side
    1,567,218.90x = 3,430,765,082,465.42
  5. Step 5: Solve for x
    x = 3,430,765,082,465.42/1,567,218.90
  6. Step 6: Final answer
    x = 2,189,078.43

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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.