Home / 2,156,088.20-3,233,678.70-1,090,128.20

Finding the Fourth Proportional to 2,156,088.20, 3,233,678.70 and 1,090,128.20

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Solution

The fourth proportional to 2,156,088.20, 3,233,678.70 and 1,090,128.20 is: 1,634,962.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,088.20 : 3,233,678.70 = 1,090,128.20 : x
  2. Step 2: Convert to fraction form
    2,156,088.20/3,233,678.70 = 1,090,128.20/x
  3. Step 3: Cross multiply
    2,156,088.20x = 3,233,678.70 × 1,090,128.20
  4. Step 4: Simplify right side
    2,156,088.20x = 3,525,124,340,609.34
  5. Step 5: Solve for x
    x = 3,525,124,340,609.34/2,156,088.20
  6. Step 6: Final answer
    x = 1,634,962.96

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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.