Home / 1,909,470.90-2,634,424.86-1,082,455.74

Finding the Fourth Proportional to 1,909,470.90, 2,634,424.86 and 1,082,455.74

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Solution

The fourth proportional to 1,909,470.90, 2,634,424.86 and 1,082,455.74 is: 1,493,423.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,470.90 : 2,634,424.86 = 1,082,455.74 : x
  2. Step 2: Convert to fraction form
    1,909,470.90/2,634,424.86 = 1,082,455.74/x
  3. Step 3: Cross multiply
    1,909,470.90x = 2,634,424.86 × 1,082,455.74
  4. Step 4: Simplify right side
    1,909,470.90x = 2,851,648,311,305.70
  5. Step 5: Solve for x
    x = 2,851,648,311,305.70/1,909,470.90
  6. Step 6: Final answer
    x = 1,493,423.29

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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.