Home / 1,620,801.72-2,430,439.56-947,077.54

Finding the Fourth Proportional to 1,620,801.72, 2,430,439.56 and 947,077.54

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Solution

The fourth proportional to 1,620,801.72, 2,430,439.56 and 947,077.54 is: 1,420,170.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,801.72 : 2,430,439.56 = 947,077.54 : x
  2. Step 2: Convert to fraction form
    1,620,801.72/2,430,439.56 = 947,077.54/x
  3. Step 3: Cross multiply
    1,620,801.72x = 2,430,439.56 × 947,077.54
  4. Step 4: Simplify right side
    1,620,801.72x = 2,301,814,713,527.38
  5. Step 5: Solve for x
    x = 2,301,814,713,527.38/1,620,801.72
  6. Step 6: Final answer
    x = 1,420,170.45

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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.