Home / 2,697,221.90-4,046,103.44-778,180.63

Finding the Fourth Proportional to 2,697,221.90, 4,046,103.44 and 778,180.63

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Solution

The fourth proportional to 2,697,221.90, 4,046,103.44 and 778,180.63 is: 1,167,349.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,697,221.90 : 4,046,103.44 = 778,180.63 : x
  2. Step 2: Convert to fraction form
    2,697,221.90/4,046,103.44 = 778,180.63/x
  3. Step 3: Cross multiply
    2,697,221.90x = 4,046,103.44 × 778,180.63
  4. Step 4: Simplify right side
    2,697,221.90x = 3,148,599,323,984.37
  5. Step 5: Solve for x
    x = 3,148,599,323,984.37/2,697,221.90
  6. Step 6: Final answer
    x = 1,167,349.01

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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.