Home / 2,118,833.10-3,178,444.05-698,892.30

Finding the Fourth Proportional to 2,118,833.10, 3,178,444.05 and 698,892.30

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Solution

The fourth proportional to 2,118,833.10, 3,178,444.05 and 698,892.30 is: 1,048,402.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,833.10 : 3,178,444.05 = 698,892.30 : x
  2. Step 2: Convert to fraction form
    2,118,833.10/3,178,444.05 = 698,892.30/x
  3. Step 3: Cross multiply
    2,118,833.10x = 3,178,444.05 × 698,892.30
  4. Step 4: Simplify right side
    2,118,833.10x = 2,221,390,072,525.82
  5. Step 5: Solve for x
    x = 2,221,390,072,525.82/2,118,833.10
  6. Step 6: Final answer
    x = 1,048,402.57

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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.