Home / 1,618,262.46-2,415,088.73-1,438,905.78

Finding the Fourth Proportional to 1,618,262.46, 2,415,088.73 and 1,438,905.78

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Solution

The fourth proportional to 1,618,262.46, 2,415,088.73 and 1,438,905.78 is: 2,147,417.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,262.46 : 2,415,088.73 = 1,438,905.78 : x
  2. Step 2: Convert to fraction form
    1,618,262.46/2,415,088.73 = 1,438,905.78/x
  3. Step 3: Cross multiply
    1,618,262.46x = 2,415,088.73 × 1,438,905.78
  4. Step 4: Simplify right side
    1,618,262.46x = 3,475,085,125,615.33
  5. Step 5: Solve for x
    x = 3,475,085,125,615.33/1,618,262.46
  6. Step 6: Final answer
    x = 2,147,417.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.