Home / 2,169,570.90-2,994,339.24-1,384,975.74

Finding the Fourth Proportional to 2,169,570.90, 2,994,339.24 and 1,384,975.74

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Solution

The fourth proportional to 2,169,570.90, 2,994,339.24 and 1,384,975.74 is: 1,911,478.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169,570.90 : 2,994,339.24 = 1,384,975.74 : x
  2. Step 2: Convert to fraction form
    2,169,570.90/2,994,339.24 = 1,384,975.74/x
  3. Step 3: Cross multiply
    2,169,570.90x = 2,994,339.24 × 1,384,975.74
  4. Step 4: Simplify right side
    2,169,570.90x = 4,147,087,204,730.04
  5. Step 5: Solve for x
    x = 4,147,087,204,730.04/2,169,570.90
  6. Step 6: Final answer
    x = 1,911,478.07

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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.