Home / 3,855,787.20-5,779,533.60-1,458,705.60

Finding the Fourth Proportional to 3,855,787.20, 5,779,533.60 and 1,458,705.60

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Solution

The fourth proportional to 3,855,787.20, 5,779,533.60 and 1,458,705.60 is: 2,186,489.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,787.20 : 5,779,533.60 = 1,458,705.60 : x
  2. Step 2: Convert to fraction form
    3,855,787.20/5,779,533.60 = 1,458,705.60/x
  3. Step 3: Cross multiply
    3,855,787.20x = 5,779,533.60 × 1,458,705.60
  4. Step 4: Simplify right side
    3,855,787.20x = 8,430,638,027,708.16
  5. Step 5: Solve for x
    x = 8,430,638,027,708.16/3,855,787.20
  6. Step 6: Final answer
    x = 2,186,489.45

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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.