Home / 2,658,289.10-3,987,240.20-1,038,754.58

Finding the Fourth Proportional to 2,658,289.10, 3,987,240.20 and 1,038,754.58

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Solution

The fourth proportional to 2,658,289.10, 3,987,240.20 and 1,038,754.58 is: 1,558,056.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,658,289.10 : 3,987,240.20 = 1,038,754.58 : x
  2. Step 2: Convert to fraction form
    2,658,289.10/3,987,240.20 = 1,038,754.58/x
  3. Step 3: Cross multiply
    2,658,289.10x = 3,987,240.20 × 1,038,754.58
  4. Step 4: Simplify right side
    2,658,289.10x = 4,141,764,014,116.34
  5. Step 5: Solve for x
    x = 4,141,764,014,116.34/2,658,289.10
  6. Step 6: Final answer
    x = 1,558,056.28

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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.