Home / 1,564,867.35-2,158,438.44-1,100,705.64

Finding the Fourth Proportional to 1,564,867.35, 2,158,438.44 and 1,100,705.64

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Solution

The fourth proportional to 1,564,867.35, 2,158,438.44 and 1,100,705.64 is: 1,518,215.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,867.35 : 2,158,438.44 = 1,100,705.64 : x
  2. Step 2: Convert to fraction form
    1,564,867.35/2,158,438.44 = 1,100,705.64/x
  3. Step 3: Cross multiply
    1,564,867.35x = 2,158,438.44 × 1,100,705.64
  4. Step 4: Simplify right side
    1,564,867.35x = 2,375,805,364,500.80
  5. Step 5: Solve for x
    x = 2,375,805,364,500.80/1,564,867.35
  6. Step 6: Final answer
    x = 1,518,215.18

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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.