Home / 2,807,354.43-4,212,900.45-1,528,284.78

Finding the Fourth Proportional to 2,807,354.43, 4,212,900.45 and 1,528,284.78

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Solution

The fourth proportional to 2,807,354.43, 4,212,900.45 and 1,528,284.78 is: 2,293,444.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807,354.43 : 4,212,900.45 = 1,528,284.78 : x
  2. Step 2: Convert to fraction form
    2,807,354.43/4,212,900.45 = 1,528,284.78/x
  3. Step 3: Cross multiply
    2,807,354.43x = 4,212,900.45 × 1,528,284.78
  4. Step 4: Simplify right side
    2,807,354.43x = 6,438,511,637,390.15
  5. Step 5: Solve for x
    x = 6,438,511,637,390.15/2,807,354.43
  6. Step 6: Final answer
    x = 2,293,444.52

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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.