Home / 1,906,669.36-2,631,225.36-1,047,249.64

Finding the Fourth Proportional to 1,906,669.36, 2,631,225.36 and 1,047,249.64

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Solution

The fourth proportional to 1,906,669.36, 2,631,225.36 and 1,047,249.64 is: 1,445,216.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,669.36 : 2,631,225.36 = 1,047,249.64 : x
  2. Step 2: Convert to fraction form
    1,906,669.36/2,631,225.36 = 1,047,249.64/x
  3. Step 3: Cross multiply
    1,906,669.36x = 2,631,225.36 × 1,047,249.64
  4. Step 4: Simplify right side
    1,906,669.36x = 2,755,549,811,018.87
  5. Step 5: Solve for x
    x = 2,755,549,811,018.87/1,906,669.36
  6. Step 6: Final answer
    x = 1,445,216.39

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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.