Home / 3,309,074.12-4,963,897.11-912,918.75

Finding the Fourth Proportional to 3,309,074.12, 4,963,897.11 and 912,918.75

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Solution

The fourth proportional to 3,309,074.12, 4,963,897.11 and 912,918.75 is: 1,369,457.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309,074.12 : 4,963,897.11 = 912,918.75 : x
  2. Step 2: Convert to fraction form
    3,309,074.12/4,963,897.11 = 912,918.75/x
  3. Step 3: Cross multiply
    3,309,074.12x = 4,963,897.11 × 912,918.75
  4. Step 4: Simplify right side
    3,309,074.12x = 4,531,634,744,789.81
  5. Step 5: Solve for x
    x = 4,531,634,744,789.81/3,309,074.12
  6. Step 6: Final answer
    x = 1,369,457.01

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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.