Home / 1,889,389.90-2,833,792.65-691,031.98

Finding the Fourth Proportional to 1,889,389.90, 2,833,792.65 and 691,031.98

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Solution

The fourth proportional to 1,889,389.90, 2,833,792.65 and 691,031.98 is: 1,036,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,389.90 : 2,833,792.65 = 691,031.98 : x
  2. Step 2: Convert to fraction form
    1,889,389.90/2,833,792.65 = 691,031.98/x
  3. Step 3: Cross multiply
    1,889,389.90x = 2,833,792.65 × 691,031.98
  4. Step 4: Simplify right side
    1,889,389.90x = 1,958,241,345,838.95
  5. Step 5: Solve for x
    x = 1,958,241,345,838.95/1,889,389.90
  6. Step 6: Final answer
    x = 1,036,441.10

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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.