Home / 2,070,905.85-3,105,090.32-807,257.25

Finding the Fourth Proportional to 2,070,905.85, 3,105,090.32 and 807,257.25

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Solution

The fourth proportional to 2,070,905.85, 3,105,090.32 and 807,257.25 is: 1,210,391.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070,905.85 : 3,105,090.32 = 807,257.25 : x
  2. Step 2: Convert to fraction form
    2,070,905.85/3,105,090.32 = 807,257.25/x
  3. Step 3: Cross multiply
    2,070,905.85x = 3,105,090.32 × 807,257.25
  4. Step 4: Simplify right side
    2,070,905.85x = 2,506,606,668,688.53
  5. Step 5: Solve for x
    x = 2,506,606,668,688.53/2,070,905.85
  6. Step 6: Final answer
    x = 1,210,391.42

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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.