Home / 2,913,998.40-4,370,997.60-2,788,027.20

Finding the Fourth Proportional to 2,913,998.40, 4,370,997.60 and 2,788,027.20

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Solution

The fourth proportional to 2,913,998.40, 4,370,997.60 and 2,788,027.20 is: 4,182,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,998.40 : 4,370,997.60 = 2,788,027.20 : x
  2. Step 2: Convert to fraction form
    2,913,998.40/4,370,997.60 = 2,788,027.20/x
  3. Step 3: Cross multiply
    2,913,998.40x = 4,370,997.60 × 2,788,027.20
  4. Step 4: Simplify right side
    2,913,998.40x = 12,186,460,199,934.72
  5. Step 5: Solve for x
    x = 12,186,460,199,934.72/2,913,998.40
  6. Step 6: Final answer
    x = 4,182,040.80

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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.