Home / 3,309,544.40-4,966,774.20-1,316,430.80

Finding the Fourth Proportional to 3,309,544.40, 4,966,774.20 and 1,316,430.80

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Solution

The fourth proportional to 3,309,544.40, 4,966,774.20 and 1,316,430.80 is: 1,975,623.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309,544.40 : 4,966,774.20 = 1,316,430.80 : x
  2. Step 2: Convert to fraction form
    3,309,544.40/4,966,774.20 = 1,316,430.80/x
  3. Step 3: Cross multiply
    3,309,544.40x = 4,966,774.20 × 1,316,430.80
  4. Step 4: Simplify right side
    3,309,544.40x = 6,538,414,533,525.36
  5. Step 5: Solve for x
    x = 6,538,414,533,525.36/3,309,544.40
  6. Step 6: Final answer
    x = 1,975,623.75

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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.