Home / 3,112,911-4,295,882.79-1,754,784

Finding the Fourth Proportional to 3,112,911, 4,295,882.79 and 1,754,784

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Solution

The fourth proportional to 3,112,911, 4,295,882.79 and 1,754,784 is: 2,421,638.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,911 : 4,295,882.79 = 1,754,784 : x
  2. Step 2: Convert to fraction form
    3,112,911/4,295,882.79 = 1,754,784/x
  3. Step 3: Cross multiply
    3,112,911x = 4,295,882.79 × 1,754,784
  4. Step 4: Simplify right side
    3,112,911x = 7,538,346,385,767.36
  5. Step 5: Solve for x
    x = 7,538,346,385,767.36/3,112,911
  6. Step 6: Final answer
    x = 2,421,638.91

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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.