Home / 6,515,823.40-9,778,400.70-2,732,021.80

Finding the Fourth Proportional to 6,515,823.40, 9,778,400.70 and 2,732,021.80

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Solution

The fourth proportional to 6,515,823.40, 9,778,400.70 and 2,732,021.80 is: 4,099,988.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515,823.40 : 9,778,400.70 = 2,732,021.80 : x
  2. Step 2: Convert to fraction form
    6,515,823.40/9,778,400.70 = 2,732,021.80/x
  3. Step 3: Cross multiply
    6,515,823.40x = 9,778,400.70 × 2,732,021.80
  4. Step 4: Simplify right side
    6,515,823.40x = 26,714,803,881,535.26
  5. Step 5: Solve for x
    x = 26,714,803,881,535.26/6,515,823.40
  6. Step 6: Final answer
    x = 4,099,988.94

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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.