Home / 1,586,147.81-2,188,923.62-860,994.50

Finding the Fourth Proportional to 1,586,147.81, 2,188,923.62 and 860,994.50

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Solution

The fourth proportional to 1,586,147.81, 2,188,923.62 and 860,994.50 is: 1,188,193.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,147.81 : 2,188,923.62 = 860,994.50 : x
  2. Step 2: Convert to fraction form
    1,586,147.81/2,188,923.62 = 860,994.50/x
  3. Step 3: Cross multiply
    1,586,147.81x = 2,188,923.62 × 860,994.50
  4. Step 4: Simplify right side
    1,586,147.81x = 1,884,651,182,490.50
  5. Step 5: Solve for x
    x = 1,884,651,182,490.50/1,586,147.81
  6. Step 6: Final answer
    x = 1,188,193.92

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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.