Home / 1,887,621.84-2,828,632.86-1,386,536.40

Finding the Fourth Proportional to 1,887,621.84, 2,828,632.86 and 1,386,536.40

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Solution

The fourth proportional to 1,887,621.84, 2,828,632.86 and 1,386,536.40 is: 2,077,747.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,621.84 : 2,828,632.86 = 1,386,536.40 : x
  2. Step 2: Convert to fraction form
    1,887,621.84/2,828,632.86 = 1,386,536.40/x
  3. Step 3: Cross multiply
    1,887,621.84x = 2,828,632.86 × 1,386,536.40
  4. Step 4: Simplify right side
    1,887,621.84x = 3,922,002,422,626.10
  5. Step 5: Solve for x
    x = 3,922,002,422,626.10/1,887,621.84
  6. Step 6: Final answer
    x = 2,077,747.96

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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.