Home / 2,825,374.09-3,898,908.74-1,536,215.55

Finding the Fourth Proportional to 2,825,374.09, 3,898,908.74 and 1,536,215.55

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Solution

The fourth proportional to 2,825,374.09, 3,898,908.74 and 1,536,215.55 is: 2,119,919.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,374.09 : 3,898,908.74 = 1,536,215.55 : x
  2. Step 2: Convert to fraction form
    2,825,374.09/3,898,908.74 = 1,536,215.55/x
  3. Step 3: Cross multiply
    2,825,374.09x = 3,898,908.74 × 1,536,215.55
  4. Step 4: Simplify right side
    2,825,374.09x = 5,989,564,238,259.45
  5. Step 5: Solve for x
    x = 5,989,564,238,259.45/2,825,374.09
  6. Step 6: Final answer
    x = 2,119,919.01

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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.