Home / 6,424,821.87-9,636,198.70-1,874,802.39

Finding the Fourth Proportional to 6,424,821.87, 9,636,198.70 and 1,874,802.39

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Solution

The fourth proportional to 6,424,821.87, 9,636,198.70 and 1,874,802.39 is: 2,811,901.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424,821.87 : 9,636,198.70 = 1,874,802.39 : x
  2. Step 2: Convert to fraction form
    6,424,821.87/9,636,198.70 = 1,874,802.39/x
  3. Step 3: Cross multiply
    6,424,821.87x = 9,636,198.70 × 1,874,802.39
  4. Step 4: Simplify right side
    6,424,821.87x = 18,065,968,353,274.89
  5. Step 5: Solve for x
    x = 18,065,968,353,274.89/6,424,821.87
  6. Step 6: Final answer
    x = 2,811,901.83

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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.