Home / 2,909,009.40-4,366,106.10-1,709,431.80

Finding the Fourth Proportional to 2,909,009.40, 4,366,106.10 and 1,709,431.80

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Solution

The fourth proportional to 2,909,009.40, 4,366,106.10 and 1,709,431.80 is: 2,565,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909,009.40 : 4,366,106.10 = 1,709,431.80 : x
  2. Step 2: Convert to fraction form
    2,909,009.40/4,366,106.10 = 1,709,431.80/x
  3. Step 3: Cross multiply
    2,909,009.40x = 4,366,106.10 × 1,709,431.80
  4. Step 4: Simplify right side
    2,909,009.40x = 7,463,560,609,513.98
  5. Step 5: Solve for x
    x = 7,463,560,609,513.98/2,909,009.40
  6. Step 6: Final answer
    x = 2,565,670.85

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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.