Home / 1,567,216.15-2,355,835.43-1,456,278.55

Finding the Fourth Proportional to 1,567,216.15, 2,355,835.43 and 1,456,278.55

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Solution

The fourth proportional to 1,567,216.15, 2,355,835.43 and 1,456,278.55 is: 2,189,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,216.15 : 2,355,835.43 = 1,456,278.55 : x
  2. Step 2: Convert to fraction form
    1,567,216.15/2,355,835.43 = 1,456,278.55/x
  3. Step 3: Cross multiply
    1,567,216.15x = 2,355,835.43 × 1,456,278.55
  4. Step 4: Simplify right side
    1,567,216.15x = 3,430,752,604,039.03
  5. Step 5: Solve for x
    x = 3,430,752,604,039.03/1,567,216.15
  6. Step 6: Final answer
    x = 2,189,074.30

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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.