Home / 2,685,288.64-3,705,699.36-1,478,056

Finding the Fourth Proportional to 2,685,288.64, 3,705,699.36 and 1,478,056

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Solution

The fourth proportional to 2,685,288.64, 3,705,699.36 and 1,478,056 is: 2,039,717.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685,288.64 : 3,705,699.36 = 1,478,056 : x
  2. Step 2: Convert to fraction form
    2,685,288.64/3,705,699.36 = 1,478,056/x
  3. Step 3: Cross multiply
    2,685,288.64x = 3,705,699.36 × 1,478,056
  4. Step 4: Simplify right side
    2,685,288.64x = 5,477,231,173,244.16
  5. Step 5: Solve for x
    x = 5,477,231,173,244.16/2,685,288.64
  6. Step 6: Final answer
    x = 2,039,717.85

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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.