Home / 1,580,837-2,181,555.06-865,445

Finding the Fourth Proportional to 1,580,837, 2,181,555.06 and 865,445

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Solution

The fourth proportional to 1,580,837, 2,181,555.06 and 865,445 is: 1,194,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,837 : 2,181,555.06 = 865,445 : x
  2. Step 2: Convert to fraction form
    1,580,837/2,181,555.06 = 865,445/x
  3. Step 3: Cross multiply
    1,580,837x = 2,181,555.06 × 865,445
  4. Step 4: Simplify right side
    1,580,837x = 1,888,015,918,901.70
  5. Step 5: Solve for x
    x = 1,888,015,918,901.70/1,580,837
  6. Step 6: Final answer
    x = 1,194,314.10

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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.