Home / 2,087,590.86-2,880,826.44-1,228,206.42

Finding the Fourth Proportional to 2,087,590.86, 2,880,826.44 and 1,228,206.42

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Solution

The fourth proportional to 2,087,590.86, 2,880,826.44 and 1,228,206.42 is: 1,694,896.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,590.86 : 2,880,826.44 = 1,228,206.42 : x
  2. Step 2: Convert to fraction form
    2,087,590.86/2,880,826.44 = 1,228,206.42/x
  3. Step 3: Cross multiply
    2,087,590.86x = 2,880,826.44 × 1,228,206.42
  4. Step 4: Simplify right side
    2,087,590.86x = 3,538,249,528,513.74
  5. Step 5: Solve for x
    x = 3,538,249,528,513.74/2,087,590.86
  6. Step 6: Final answer
    x = 1,694,896.06

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1.5x scale

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.