Home / 3,143,712-4,338,322.61-1,712,928

Finding the Fourth Proportional to 3,143,712, 4,338,322.61 and 1,712,928

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Solution

The fourth proportional to 3,143,712, 4,338,322.61 and 1,712,928 is: 2,363,840.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,712 : 4,338,322.61 = 1,712,928 : x
  2. Step 2: Convert to fraction form
    3,143,712/4,338,322.61 = 1,712,928/x
  3. Step 3: Cross multiply
    3,143,712x = 4,338,322.61 × 1,712,928
  4. Step 4: Simplify right side
    3,143,712x = 7,431,234,263,137.44
  5. Step 5: Solve for x
    x = 7,431,234,263,137.44/3,143,712
  6. Step 6: Final answer
    x = 2,363,840.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.