Home / 2,878,216.20-3,971,950.02-1,571,472.36

Finding the Fourth Proportional to 2,878,216.20, 3,971,950.02 and 1,571,472.36

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Solution

The fourth proportional to 2,878,216.20, 3,971,950.02 and 1,571,472.36 is: 2,168,638.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,216.20 : 3,971,950.02 = 1,571,472.36 : x
  2. Step 2: Convert to fraction form
    2,878,216.20/3,971,950.02 = 1,571,472.36/x
  3. Step 3: Cross multiply
    2,878,216.20x = 3,971,950.02 × 1,571,472.36
  4. Step 4: Simplify right side
    2,878,216.20x = 6,241,809,671,731.45
  5. Step 5: Solve for x
    x = 6,241,809,671,731.45/2,878,216.20
  6. Step 6: Final answer
    x = 2,168,638.23

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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.