Home / 2,842,909.71-4,262,802.88-1,400,419.18

Finding the Fourth Proportional to 2,842,909.71, 4,262,802.88 and 1,400,419.18

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Solution

The fourth proportional to 2,842,909.71, 4,262,802.88 and 1,400,419.18 is: 2,099,859.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842,909.71 : 4,262,802.88 = 1,400,419.18 : x
  2. Step 2: Convert to fraction form
    2,842,909.71/4,262,802.88 = 1,400,419.18/x
  3. Step 3: Cross multiply
    2,842,909.71x = 4,262,802.88 × 1,400,419.18
  4. Step 4: Simplify right side
    2,842,909.71x = 5,969,710,913,711.24
  5. Step 5: Solve for x
    x = 5,969,710,913,711.24/2,842,909.71
  6. Step 6: Final answer
    x = 2,099,859.48

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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.