Home / 4,200,751.80-6,287,130.90-3,864,828.60

Finding the Fourth Proportional to 4,200,751.80, 6,287,130.90 and 3,864,828.60

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Solution

The fourth proportional to 4,200,751.80, 6,287,130.90 and 3,864,828.60 is: 5,784,365.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200,751.80 : 6,287,130.90 = 3,864,828.60 : x
  2. Step 2: Convert to fraction form
    4,200,751.80/6,287,130.90 = 3,864,828.60/x
  3. Step 3: Cross multiply
    4,200,751.80x = 6,287,130.90 × 3,864,828.60
  4. Step 4: Simplify right side
    4,200,751.80x = 24,298,683,314,263.74
  5. Step 5: Solve for x
    x = 24,298,683,314,263.74/4,200,751.80
  6. Step 6: Final answer
    x = 5,784,365.39

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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.