Home / 3,117,552-4,302,221.76-1,686,768

Finding the Fourth Proportional to 3,117,552, 4,302,221.76 and 1,686,768

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Solution

The fourth proportional to 3,117,552, 4,302,221.76 and 1,686,768 is: 2,327,739.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,552 : 4,302,221.76 = 1,686,768 : x
  2. Step 2: Convert to fraction form
    3,117,552/4,302,221.76 = 1,686,768/x
  3. Step 3: Cross multiply
    3,117,552x = 4,302,221.76 × 1,686,768
  4. Step 4: Simplify right side
    3,117,552x = 7,256,849,993,671.68
  5. Step 5: Solve for x
    x = 7,256,849,993,671.68/3,117,552
  6. Step 6: Final answer
    x = 2,327,739.84

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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.