Home / 2,590,390.60-3,881,438.70-1,642,064.20

Finding the Fourth Proportional to 2,590,390.60, 3,881,438.70 and 1,642,064.20

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Solution

The fourth proportional to 2,590,390.60, 3,881,438.70 and 1,642,064.20 is: 2,460,467.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,390.60 : 3,881,438.70 = 1,642,064.20 : x
  2. Step 2: Convert to fraction form
    2,590,390.60/3,881,438.70 = 1,642,064.20/x
  3. Step 3: Cross multiply
    2,590,390.60x = 3,881,438.70 × 1,642,064.20
  4. Step 4: Simplify right side
    2,590,390.60x = 6,373,571,533,764.54
  5. Step 5: Solve for x
    x = 6,373,571,533,764.54/2,590,390.60
  6. Step 6: Final answer
    x = 2,460,467.36

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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.