Home / 1,805,900.57-2,492,047.42-1,031,378.16

Finding the Fourth Proportional to 1,805,900.57, 2,492,047.42 and 1,031,378.16

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Solution

The fourth proportional to 1,805,900.57, 2,492,047.42 and 1,031,378.16 is: 1,423,247.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,900.57 : 2,492,047.42 = 1,031,378.16 : x
  2. Step 2: Convert to fraction form
    1,805,900.57/2,492,047.42 = 1,031,378.16/x
  3. Step 3: Cross multiply
    1,805,900.57x = 2,492,047.42 × 1,031,378.16
  4. Step 4: Simplify right side
    1,805,900.57x = 2,570,243,289,439.08
  5. Step 5: Solve for x
    x = 2,570,243,289,439.08/1,805,900.57
  6. Step 6: Final answer
    x = 1,423,247.40

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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.