Home / 1,586,100.14-2,188,820.28-860,947.36

Finding the Fourth Proportional to 1,586,100.14, 2,188,820.28 and 860,947.36

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Solution

The fourth proportional to 1,586,100.14, 2,188,820.28 and 860,947.36 is: 1,188,108.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,100.14 : 2,188,820.28 = 860,947.36 : x
  2. Step 2: Convert to fraction form
    1,586,100.14/2,188,820.28 = 860,947.36/x
  3. Step 3: Cross multiply
    1,586,100.14x = 2,188,820.28 × 860,947.36
  4. Step 4: Simplify right side
    1,586,100.14x = 1,884,459,041,580.46
  5. Step 5: Solve for x
    x = 1,884,459,041,580.46/1,586,100.14
  6. Step 6: Final answer
    x = 1,188,108.49

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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.