Home / 1,578,377.70-2,367,739.35-1,528,611.30

Finding the Fourth Proportional to 1,578,377.70, 2,367,739.35 and 1,528,611.30

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Solution

The fourth proportional to 1,578,377.70, 2,367,739.35 and 1,528,611.30 is: 2,293,084.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,377.70 : 2,367,739.35 = 1,528,611.30 : x
  2. Step 2: Convert to fraction form
    1,578,377.70/2,367,739.35 = 1,528,611.30/x
  3. Step 3: Cross multiply
    1,578,377.70x = 2,367,739.35 × 1,528,611.30
  4. Step 4: Simplify right side
    1,578,377.70x = 3,619,353,125,864.66
  5. Step 5: Solve for x
    x = 3,619,353,125,864.66/1,578,377.70
  6. Step 6: Final answer
    x = 2,293,084.30

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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.