Home / 2,255,812.68-3,113,045.46-1,223,322.48

Finding the Fourth Proportional to 2,255,812.68, 3,113,045.46 and 1,223,322.48

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Solution

The fourth proportional to 2,255,812.68, 3,113,045.46 and 1,223,322.48 is: 1,688,198.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,812.68 : 3,113,045.46 = 1,223,322.48 : x
  2. Step 2: Convert to fraction form
    2,255,812.68/3,113,045.46 = 1,223,322.48/x
  3. Step 3: Cross multiply
    2,255,812.68x = 3,113,045.46 × 1,223,322.48
  4. Step 4: Simplify right side
    2,255,812.68x = 3,808,258,492,479.94
  5. Step 5: Solve for x
    x = 3,808,258,492,479.94/2,255,812.68
  6. Step 6: Final answer
    x = 1,688,198.02

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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.