Home / 1,996,932.36-2,755,444.86-1,137,509.40

Finding the Fourth Proportional to 1,996,932.36, 2,755,444.86 and 1,137,509.40

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Solution

The fourth proportional to 1,996,932.36, 2,755,444.86 and 1,137,509.40 is: 1,569,579.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,932.36 : 2,755,444.86 = 1,137,509.40 : x
  2. Step 2: Convert to fraction form
    1,996,932.36/2,755,444.86 = 1,137,509.40/x
  3. Step 3: Cross multiply
    1,996,932.36x = 2,755,444.86 × 1,137,509.40
  4. Step 4: Simplify right side
    1,996,932.36x = 3,134,344,429,431.68
  5. Step 5: Solve for x
    x = 3,134,344,429,431.68/1,996,932.36
  6. Step 6: Final answer
    x = 1,569,579.67

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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.