Home / 2,068,290.78-3,102,437.07-648,457.56

Finding the Fourth Proportional to 2,068,290.78, 3,102,437.07 and 648,457.56

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Solution

The fourth proportional to 2,068,290.78, 3,102,437.07 and 648,457.56 is: 972,686.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,290.78 : 3,102,437.07 = 648,457.56 : x
  2. Step 2: Convert to fraction form
    2,068,290.78/3,102,437.07 = 648,457.56/x
  3. Step 3: Cross multiply
    2,068,290.78x = 3,102,437.07 × 648,457.56
  4. Step 4: Simplify right side
    2,068,290.78x = 2,011,798,772,465.75
  5. Step 5: Solve for x
    x = 2,011,798,772,465.75/2,068,290.78
  6. Step 6: Final answer
    x = 972,686.62

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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.