Home / 5,237,783.50-7,857,007.35-1,643,692.18

Finding the Fourth Proportional to 5,237,783.50, 7,857,007.35 and 1,643,692.18

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Solution

The fourth proportional to 5,237,783.50, 7,857,007.35 and 1,643,692.18 is: 2,465,642.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237,783.50 : 7,857,007.35 = 1,643,692.18 : x
  2. Step 2: Convert to fraction form
    5,237,783.50/7,857,007.35 = 1,643,692.18/x
  3. Step 3: Cross multiply
    5,237,783.50x = 7,857,007.35 × 1,643,692.18
  4. Step 4: Simplify right side
    5,237,783.50x = 12,914,501,539,397.52
  5. Step 5: Solve for x
    x = 12,914,501,539,397.52/5,237,783.50
  6. Step 6: Final answer
    x = 2,465,642.49

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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.