Home / 2,658,288.60-3,987,239.45-1,038,754.08

Finding the Fourth Proportional to 2,658,288.60, 3,987,239.45 and 1,038,754.08

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Solution

The fourth proportional to 2,658,288.60, 3,987,239.45 and 1,038,754.08 is: 1,558,055.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658,288.60 : 3,987,239.45 = 1,038,754.08 : x
  2. Step 2: Convert to fraction form
    2,658,288.60/3,987,239.45 = 1,038,754.08/x
  3. Step 3: Cross multiply
    2,658,288.60x = 3,987,239.45 × 1,038,754.08
  4. Step 4: Simplify right side
    2,658,288.60x = 4,141,761,241,430.69
  5. Step 5: Solve for x
    x = 4,141,761,241,430.69/2,658,288.60
  6. Step 6: Final answer
    x = 1,558,055.53

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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.