Home / 7,078,542-10,617,851.88-1,759,758

Finding the Fourth Proportional to 7,078,542, 10,617,851.88 and 1,759,758

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Solution

The fourth proportional to 7,078,542, 10,617,851.88 and 1,759,758 is: 2,639,646.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078,542 : 10,617,851.88 = 1,759,758 : x
  2. Step 2: Convert to fraction form
    7,078,542/10,617,851.88 = 1,759,758/x
  3. Step 3: Cross multiply
    7,078,542x = 10,617,851.88 × 1,759,758
  4. Step 4: Simplify right side
    7,078,542x = 18,684,849,788,645.04
  5. Step 5: Solve for x
    x = 18,684,849,788,645.04/7,078,542
  6. Step 6: Final answer
    x = 2,639,646.67

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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.