Home / 6,455,140-8,908,093.18-3,554,523.96

Finding the Fourth Proportional to 6,455,140, 8,908,093.18 and 3,554,523.96

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Solution

The fourth proportional to 6,455,140, 8,908,093.18 and 3,554,523.96 is: 4,905,243.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455,140 : 8,908,093.18 = 3,554,523.96 : x
  2. Step 2: Convert to fraction form
    6,455,140/8,908,093.18 = 3,554,523.96/x
  3. Step 3: Cross multiply
    6,455,140x = 8,908,093.18 × 3,554,523.96
  4. Step 4: Simplify right side
    6,455,140x = 31,664,030,646,222.59
  5. Step 5: Solve for x
    x = 31,664,030,646,222.59/6,455,140
  6. Step 6: Final answer
    x = 4,905,243.05

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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.