Home / 1,584,482.04-2,186,388.78-1,011,857.40

Finding the Fourth Proportional to 1,584,482.04, 2,186,388.78 and 1,011,857.40

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Solution

The fourth proportional to 1,584,482.04, 2,186,388.78 and 1,011,857.40 is: 1,396,237.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,482.04 : 2,186,388.78 = 1,011,857.40 : x
  2. Step 2: Convert to fraction form
    1,584,482.04/2,186,388.78 = 1,011,857.40/x
  3. Step 3: Cross multiply
    1,584,482.04x = 2,186,388.78 × 1,011,857.40
  4. Step 4: Simplify right side
    1,584,482.04x = 2,212,313,666,319.97
  5. Step 5: Solve for x
    x = 2,212,313,666,319.97/1,584,482.04
  6. Step 6: Final answer
    x = 1,396,237.77

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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.