Home / 2,679,802.60-4,019,703.90-685,258.60

Finding the Fourth Proportional to 2,679,802.60, 4,019,703.90 and 685,258.60

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Solution

The fourth proportional to 2,679,802.60, 4,019,703.90 and 685,258.60 is: 1,027,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,802.60 : 4,019,703.90 = 685,258.60 : x
  2. Step 2: Convert to fraction form
    2,679,802.60/4,019,703.90 = 685,258.60/x
  3. Step 3: Cross multiply
    2,679,802.60x = 4,019,703.90 × 685,258.60
  4. Step 4: Simplify right side
    2,679,802.60x = 2,754,536,666,928.54
  5. Step 5: Solve for x
    x = 2,754,536,666,928.54/2,679,802.60
  6. Step 6: Final answer
    x = 1,027,887.90

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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.