Home / 3,047,705.10-4,206,021.99-1,689,578.10

Finding the Fourth Proportional to 3,047,705.10, 4,206,021.99 and 1,689,578.10

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Solution

The fourth proportional to 3,047,705.10, 4,206,021.99 and 1,689,578.10 is: 2,331,722.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047,705.10 : 4,206,021.99 = 1,689,578.10 : x
  2. Step 2: Convert to fraction form
    3,047,705.10/4,206,021.99 = 1,689,578.10/x
  3. Step 3: Cross multiply
    3,047,705.10x = 4,206,021.99 × 1,689,578.10
  4. Step 4: Simplify right side
    3,047,705.10x = 7,106,402,642,422.42
  5. Step 5: Solve for x
    x = 7,106,402,642,422.42/3,047,705.10
  6. Step 6: Final answer
    x = 2,331,722.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.