Home / 3,102,125.21-4,280,871.27-1,725,439.29

Finding the Fourth Proportional to 3,102,125.21, 4,280,871.27 and 1,725,439.29

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Solution

The fourth proportional to 3,102,125.21, 4,280,871.27 and 1,725,439.29 is: 2,381,072.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,125.21 : 4,280,871.27 = 1,725,439.29 : x
  2. Step 2: Convert to fraction form
    3,102,125.21/4,280,871.27 = 1,725,439.29/x
  3. Step 3: Cross multiply
    3,102,125.21x = 4,280,871.27 × 1,725,439.29
  4. Step 4: Simplify right side
    3,102,125.21x = 7,386,383,484,690.20
  5. Step 5: Solve for x
    x = 7,386,383,484,690.20/3,102,125.21
  6. Step 6: Final answer
    x = 2,381,072.00

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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.