Home / 1,912,384.22-2,866,794.32-649,347.98

Finding the Fourth Proportional to 1,912,384.22, 2,866,794.32 and 649,347.98

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Solution

The fourth proportional to 1,912,384.22, 2,866,794.32 and 649,347.98 is: 973,416.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,384.22 : 2,866,794.32 = 649,347.98 : x
  2. Step 2: Convert to fraction form
    1,912,384.22/2,866,794.32 = 649,347.98/x
  3. Step 3: Cross multiply
    1,912,384.22x = 2,866,794.32 × 649,347.98
  4. Step 4: Simplify right side
    1,912,384.22x = 1,861,547,100,767.47
  5. Step 5: Solve for x
    x = 1,861,547,100,767.47/1,912,384.22
  6. Step 6: Final answer
    x = 973,416.89

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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.