Home / 2,817,790.15-3,888,548.44-1,528,630.78

Finding the Fourth Proportional to 2,817,790.15, 3,888,548.44 and 1,528,630.78

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Solution

The fourth proportional to 2,817,790.15, 3,888,548.44 and 1,528,630.78 is: 2,109,509.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817,790.15 : 3,888,548.44 = 1,528,630.78 : x
  2. Step 2: Convert to fraction form
    2,817,790.15/3,888,548.44 = 1,528,630.78/x
  3. Step 3: Cross multiply
    2,817,790.15x = 3,888,548.44 × 1,528,630.78
  4. Step 4: Simplify right side
    2,817,790.15x = 5,944,154,834,904.98
  5. Step 5: Solve for x
    x = 5,944,154,834,904.98/2,817,790.15
  6. Step 6: Final answer
    x = 2,109,509.41

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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.