Home / 1,908,018.56-2,857,303.88-1,401,378.12

Finding the Fourth Proportional to 1,908,018.56, 2,857,303.88 and 1,401,378.12

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Solution

The fourth proportional to 1,908,018.56, 2,857,303.88 and 1,401,378.12 is: 2,098,597.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,018.56 : 2,857,303.88 = 1,401,378.12 : x
  2. Step 2: Convert to fraction form
    1,908,018.56/2,857,303.88 = 1,401,378.12/x
  3. Step 3: Cross multiply
    1,908,018.56x = 2,857,303.88 × 1,401,378.12
  4. Step 4: Simplify right side
    1,908,018.56x = 4,004,163,139,623.11
  5. Step 5: Solve for x
    x = 4,004,163,139,623.11/1,908,018.56
  6. Step 6: Final answer
    x = 2,098,597.58

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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.