Home / 5,501,053.99-8,249,712.11-1,905,981.78

Finding the Fourth Proportional to 5,501,053.99, 8,249,712.11 and 1,905,981.78

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Solution

The fourth proportional to 5,501,053.99, 8,249,712.11 and 1,905,981.78 is: 2,858,325.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,501,053.99 : 8,249,712.11 = 1,905,981.78 : x
  2. Step 2: Convert to fraction form
    5,501,053.99/8,249,712.11 = 1,905,981.78/x
  3. Step 3: Cross multiply
    5,501,053.99x = 8,249,712.11 × 1,905,981.78
  4. Step 4: Simplify right side
    5,501,053.99x = 15,723,800,971,905.36
  5. Step 5: Solve for x
    x = 15,723,800,971,905.36/5,501,053.99
  6. Step 6: Final answer
    x = 2,858,325.15

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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.