Home / 2,187,108.34-3,280,681.95-670,798.36

Finding the Fourth Proportional to 2,187,108.34, 3,280,681.95 and 670,798.36

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Solution

The fourth proportional to 2,187,108.34, 3,280,681.95 and 670,798.36 is: 1,006,203.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,108.34 : 3,280,681.95 = 670,798.36 : x
  2. Step 2: Convert to fraction form
    2,187,108.34/3,280,681.95 = 670,798.36/x
  3. Step 3: Cross multiply
    2,187,108.34x = 3,280,681.95 × 670,798.36
  4. Step 4: Simplify right side
    2,187,108.34x = 2,200,676,071,741.60
  5. Step 5: Solve for x
    x = 2,200,676,071,741.60/2,187,108.34
  6. Step 6: Final answer
    x = 1,006,203.50

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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.