Home / 2,590,404.60-3,881,459.70-1,642,078.20

Finding the Fourth Proportional to 2,590,404.60, 3,881,459.70 and 1,642,078.20

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Solution

The fourth proportional to 2,590,404.60, 3,881,459.70 and 1,642,078.20 is: 2,460,488.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,404.60 : 3,881,459.70 = 1,642,078.20 : x
  2. Step 2: Convert to fraction form
    2,590,404.60/3,881,459.70 = 1,642,078.20/x
  3. Step 3: Cross multiply
    2,590,404.60x = 3,881,459.70 × 1,642,078.20
  4. Step 4: Simplify right side
    2,590,404.60x = 6,373,660,357,548.54
  5. Step 5: Solve for x
    x = 6,373,660,357,548.54/2,590,404.60
  6. Step 6: Final answer
    x = 2,460,488.36

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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.