Home / 1,878,140.58-2,589,779.96-1,395,600.90

Finding the Fourth Proportional to 1,878,140.58, 2,589,779.96 and 1,395,600.90

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Solution

The fourth proportional to 1,878,140.58, 2,589,779.96 and 1,395,600.90 is: 1,924,402.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,140.58 : 2,589,779.96 = 1,395,600.90 : x
  2. Step 2: Convert to fraction form
    1,878,140.58/2,589,779.96 = 1,395,600.90/x
  3. Step 3: Cross multiply
    1,878,140.58x = 2,589,779.96 × 1,395,600.90
  4. Step 4: Simplify right side
    1,878,140.58x = 3,614,299,242,977.96
  5. Step 5: Solve for x
    x = 3,614,299,242,977.96/1,878,140.58
  6. Step 6: Final answer
    x = 1,924,402.93

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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.