Home / 2,985,890.40-4,478,835.60-1,092,693.60

Finding the Fourth Proportional to 2,985,890.40, 4,478,835.60 and 1,092,693.60

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Solution

The fourth proportional to 2,985,890.40, 4,478,835.60 and 1,092,693.60 is: 1,639,040.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,890.40 : 4,478,835.60 = 1,092,693.60 : x
  2. Step 2: Convert to fraction form
    2,985,890.40/4,478,835.60 = 1,092,693.60/x
  3. Step 3: Cross multiply
    2,985,890.40x = 4,478,835.60 × 1,092,693.60
  4. Step 4: Simplify right side
    2,985,890.40x = 4,893,994,995,572.16
  5. Step 5: Solve for x
    x = 4,893,994,995,572.16/2,985,890.40
  6. Step 6: Final answer
    x = 1,639,040.40

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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.