Home / 6,430,555.34-9,643,801.45-2,111,893.94

Finding the Fourth Proportional to 6,430,555.34, 9,643,801.45 and 2,111,893.94

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Solution

The fourth proportional to 6,430,555.34, 9,643,801.45 and 2,111,893.94 is: 3,167,173.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430,555.34 : 9,643,801.45 = 2,111,893.94 : x
  2. Step 2: Convert to fraction form
    6,430,555.34/9,643,801.45 = 2,111,893.94/x
  3. Step 3: Cross multiply
    6,430,555.34x = 9,643,801.45 × 2,111,893.94
  4. Step 4: Simplify right side
    6,430,555.34x = 20,366,685,840,818.21
  5. Step 5: Solve for x
    x = 20,366,685,840,818.21/6,430,555.34
  6. Step 6: Final answer
    x = 3,167,173.71

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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.