Home / 4,674,257.60-7,009,636.80-1,640,451.20

Finding the Fourth Proportional to 4,674,257.60, 7,009,636.80 and 1,640,451.20

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Solution

The fourth proportional to 4,674,257.60, 7,009,636.80 and 1,640,451.20 is: 2,460,062.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674,257.60 : 7,009,636.80 = 1,640,451.20 : x
  2. Step 2: Convert to fraction form
    4,674,257.60/7,009,636.80 = 1,640,451.20/x
  3. Step 3: Cross multiply
    4,674,257.60x = 7,009,636.80 × 1,640,451.20
  4. Step 4: Simplify right side
    4,674,257.60x = 11,498,967,100,124.16
  5. Step 5: Solve for x
    x = 11,498,967,100,124.16/4,674,257.60
  6. Step 6: Final answer
    x = 2,460,062.77

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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.