Home / 2,208,344.40-3,312,511.52-692,142.86

Finding the Fourth Proportional to 2,208,344.40, 3,312,511.52 and 692,142.86

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Solution

The fourth proportional to 2,208,344.40, 3,312,511.52 and 692,142.86 is: 1,038,212.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,344.40 : 3,312,511.52 = 692,142.86 : x
  2. Step 2: Convert to fraction form
    2,208,344.40/3,312,511.52 = 692,142.86/x
  3. Step 3: Cross multiply
    2,208,344.40x = 3,312,511.52 × 692,142.86
  4. Step 4: Simplify right side
    2,208,344.40x = 2,292,731,197,235.75
  5. Step 5: Solve for x
    x = 2,292,731,197,235.75/2,208,344.40
  6. Step 6: Final answer
    x = 1,038,212.70

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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.