Home / 2,991,515.32-4,128,590.10-1,784,291.32

Finding the Fourth Proportional to 2,991,515.32, 4,128,590.10 and 1,784,291.32

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Solution

The fourth proportional to 2,991,515.32, 4,128,590.10 and 1,784,291.32 is: 2,462,500.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,515.32 : 4,128,590.10 = 1,784,291.32 : x
  2. Step 2: Convert to fraction form
    2,991,515.32/4,128,590.10 = 1,784,291.32/x
  3. Step 3: Cross multiply
    2,991,515.32x = 4,128,590.10 × 1,784,291.32
  4. Step 4: Simplify right side
    2,991,515.32x = 7,366,607,479,267.93
  5. Step 5: Solve for x
    x = 7,366,607,479,267.93/2,991,515.32
  6. Step 6: Final answer
    x = 2,462,500.34

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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.