Home / 3,210,901.86-4,815,615.76-1,914,421.10

Finding the Fourth Proportional to 3,210,901.86, 4,815,615.76 and 1,914,421.10

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Solution

The fourth proportional to 3,210,901.86, 4,815,615.76 and 1,914,421.10 is: 2,871,192.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,901.86 : 4,815,615.76 = 1,914,421.10 : x
  2. Step 2: Convert to fraction form
    3,210,901.86/4,815,615.76 = 1,914,421.10/x
  3. Step 3: Cross multiply
    3,210,901.86x = 4,815,615.76 × 1,914,421.10
  4. Step 4: Simplify right side
    3,210,901.86x = 9,219,116,396,358.46
  5. Step 5: Solve for x
    x = 9,219,116,396,358.46/3,210,901.86
  6. Step 6: Final answer
    x = 2,871,192.21

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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.