Home / 3,888,036.80-5,829,981.60-1,641,636.80

Finding the Fourth Proportional to 3,888,036.80, 5,829,981.60 and 1,641,636.80

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Solution

The fourth proportional to 3,888,036.80, 5,829,981.60 and 1,641,636.80 is: 2,461,579.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,036.80 : 5,829,981.60 = 1,641,636.80 : x
  2. Step 2: Convert to fraction form
    3,888,036.80/5,829,981.60 = 1,641,636.80/x
  3. Step 3: Cross multiply
    3,888,036.80x = 5,829,981.60 × 1,641,636.80
  4. Step 4: Simplify right side
    3,888,036.80x = 9,570,712,337,882.88
  5. Step 5: Solve for x
    x = 9,570,712,337,882.88/3,888,036.80
  6. Step 6: Final answer
    x = 2,461,579.67

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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.