Home / 5,237,783.96-7,857,008.12-1,643,692.64

Finding the Fourth Proportional to 5,237,783.96, 7,857,008.12 and 1,643,692.64

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Solution

The fourth proportional to 5,237,783.96, 7,857,008.12 and 1,643,692.64 is: 2,465,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237,783.96 : 7,857,008.12 = 1,643,692.64 : x
  2. Step 2: Convert to fraction form
    5,237,783.96/7,857,008.12 = 1,643,692.64/x
  3. Step 3: Cross multiply
    5,237,783.96x = 7,857,008.12 × 1,643,692.64
  4. Step 4: Simplify right side
    5,237,783.96x = 12,914,506,419,264.24
  5. Step 5: Solve for x
    x = 12,914,506,419,264.24/5,237,783.96
  6. Step 6: Final answer
    x = 2,465,643.20

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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.