Home / 1,808,928-2,496,320.64-1,004,186.88

Finding the Fourth Proportional to 1,808,928, 2,496,320.64 and 1,004,186.88

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Solution

The fourth proportional to 1,808,928, 2,496,320.64 and 1,004,186.88 is: 1,385,777.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,808,928 : 2,496,320.64 = 1,004,186.88 : x
  2. Step 2: Convert to fraction form
    1,808,928/2,496,320.64 = 1,004,186.88/x
  3. Step 3: Cross multiply
    1,808,928x = 2,496,320.64 × 1,004,186.88
  4. Step 4: Simplify right side
    1,808,928x = 2,506,772,434,961.20
  5. Step 5: Solve for x
    x = 2,506,772,434,961.20/1,808,928
  6. Step 6: Final answer
    x = 1,385,777.89

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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.