Home / 6,455,499.15-9,680,985.57-1,905,333.87

Finding the Fourth Proportional to 6,455,499.15, 9,680,985.57 and 1,905,333.87

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Solution

The fourth proportional to 6,455,499.15, 9,680,985.57 and 1,905,333.87 is: 2,857,332.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455,499.15 : 9,680,985.57 = 1,905,333.87 : x
  2. Step 2: Convert to fraction form
    6,455,499.15/9,680,985.57 = 1,905,333.87/x
  3. Step 3: Cross multiply
    6,455,499.15x = 9,680,985.57 × 1,905,333.87
  4. Step 4: Simplify right side
    6,455,499.15x = 18,445,509,701,502.26
  5. Step 5: Solve for x
    x = 18,445,509,701,502.26/6,455,499.15
  6. Step 6: Final answer
    x = 2,857,332.84

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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.