Home / 2,691,828.61-4,028,258.00-1,681,426.42

Finding the Fourth Proportional to 2,691,828.61, 4,028,258.00 and 1,681,426.42

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Solution

The fourth proportional to 2,691,828.61, 4,028,258.00 and 1,681,426.42 is: 2,516,214.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,691,828.61 : 4,028,258.00 = 1,681,426.42 : x
  2. Step 2: Convert to fraction form
    2,691,828.61/4,028,258.00 = 1,681,426.42/x
  3. Step 3: Cross multiply
    2,691,828.61x = 4,028,258.00 × 1,681,426.42
  4. Step 4: Simplify right side
    2,691,828.61x = 6,773,219,421,909.28
  5. Step 5: Solve for x
    x = 6,773,219,421,909.28/2,691,828.61
  6. Step 6: Final answer
    x = 2,516,214.96

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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.