Home / 1,885,076.64-2,826,544.32-1,286,762.40

Finding the Fourth Proportional to 1,885,076.64, 2,826,544.32 and 1,286,762.40

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Solution

The fourth proportional to 1,885,076.64, 2,826,544.32 and 1,286,762.40 is: 1,929,412.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,885,076.64 : 2,826,544.32 = 1,286,762.40 : x
  2. Step 2: Convert to fraction form
    1,885,076.64/2,826,544.32 = 1,286,762.40/x
  3. Step 3: Cross multiply
    1,885,076.64x = 2,826,544.32 × 1,286,762.40
  4. Step 4: Simplify right side
    1,885,076.64x = 3,637,090,952,909.57
  5. Step 5: Solve for x
    x = 3,637,090,952,909.57/1,885,076.64
  6. Step 6: Final answer
    x = 1,929,412.78

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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.