Home / 2,160,090.64-2,978,692.32-1,855,176.64

Finding the Fourth Proportional to 2,160,090.64, 2,978,692.32 and 1,855,176.64

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Solution

The fourth proportional to 2,160,090.64, 2,978,692.32 and 1,855,176.64 is: 2,558,226.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,090.64 : 2,978,692.32 = 1,855,176.64 : x
  2. Step 2: Convert to fraction form
    2,160,090.64/2,978,692.32 = 1,855,176.64/x
  3. Step 3: Cross multiply
    2,160,090.64x = 2,978,692.32 × 1,855,176.64
  4. Step 4: Simplify right side
    2,160,090.64x = 5,526,000,409,811.40
  5. Step 5: Solve for x
    x = 5,526,000,409,811.40/2,160,090.64
  6. Step 6: Final answer
    x = 2,558,226.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.