Home / 3,877,354.68-5,817,219.06-1,985,435.64

Finding the Fourth Proportional to 3,877,354.68, 5,817,219.06 and 1,985,435.64

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Solution

The fourth proportional to 3,877,354.68, 5,817,219.06 and 1,985,435.64 is: 2,978,761.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877,354.68 : 5,817,219.06 = 1,985,435.64 : x
  2. Step 2: Convert to fraction form
    3,877,354.68/5,817,219.06 = 1,985,435.64/x
  3. Step 3: Cross multiply
    3,877,354.68x = 5,817,219.06 × 1,985,435.64
  4. Step 4: Simplify right side
    3,877,354.68x = 11,549,714,047,411.30
  5. Step 5: Solve for x
    x = 11,549,714,047,411.30/3,877,354.68
  6. Step 6: Final answer
    x = 2,978,761.29

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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.