Home / 2,877,821.64-3,971,289.72-1,588,634.32

Finding the Fourth Proportional to 2,877,821.64, 3,971,289.72 and 1,588,634.32

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Solution

The fourth proportional to 2,877,821.64, 3,971,289.72 and 1,588,634.32 is: 2,192,257.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,821.64 : 3,971,289.72 = 1,588,634.32 : x
  2. Step 2: Convert to fraction form
    2,877,821.64/3,971,289.72 = 1,588,634.32/x
  3. Step 3: Cross multiply
    2,877,821.64x = 3,971,289.72 × 1,588,634.32
  4. Step 4: Simplify right side
    2,877,821.64x = 6,308,927,143,855.19
  5. Step 5: Solve for x
    x = 6,308,927,143,855.19/2,877,821.64
  6. Step 6: Final answer
    x = 2,192,257.87

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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.