Home / 2,187,011.08-3,280,615.34-670,583.32

Finding the Fourth Proportional to 2,187,011.08, 3,280,615.34 and 670,583.32

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Solution

The fourth proportional to 2,187,011.08, 3,280,615.34 and 670,583.32 is: 1,005,905.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,011.08 : 3,280,615.34 = 670,583.32 : x
  2. Step 2: Convert to fraction form
    2,187,011.08/3,280,615.34 = 670,583.32/x
  3. Step 3: Cross multiply
    2,187,011.08x = 3,280,615.34 × 670,583.32
  4. Step 4: Simplify right side
    2,187,011.08x = 2,199,925,926,340.13
  5. Step 5: Solve for x
    x = 2,199,925,926,340.13/2,187,011.08
  6. Step 6: Final answer
    x = 1,005,905.25

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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.