Home / 2,087,598.80-2,880,837.56-1,228,214.40

Finding the Fourth Proportional to 2,087,598.80, 2,880,837.56 and 1,228,214.40

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Solution

The fourth proportional to 2,087,598.80, 2,880,837.56 and 1,228,214.40 is: 1,694,907.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,598.80 : 2,880,837.56 = 1,228,214.40 : x
  2. Step 2: Convert to fraction form
    2,087,598.80/2,880,837.56 = 1,228,214.40/x
  3. Step 3: Cross multiply
    2,087,598.80x = 2,880,837.56 × 1,228,214.40
  4. Step 4: Simplify right side
    2,087,598.80x = 3,538,286,175,252.86
  5. Step 5: Solve for x
    x = 3,538,286,175,252.86/2,087,598.80
  6. Step 6: Final answer
    x = 1,694,907.17

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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.