Home / 1,999,264.86-2,756,115.93-1,425,308.58

Finding the Fourth Proportional to 1,999,264.86, 2,756,115.93 and 1,425,308.58

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Solution

The fourth proportional to 1,999,264.86, 2,756,115.93 and 1,425,308.58 is: 1,964,880.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,264.86 : 2,756,115.93 = 1,425,308.58 : x
  2. Step 2: Convert to fraction form
    1,999,264.86/2,756,115.93 = 1,425,308.58/x
  3. Step 3: Cross multiply
    1,999,264.86x = 2,756,115.93 × 1,425,308.58
  4. Step 4: Simplify right side
    1,999,264.86x = 3,928,315,682,503.68
  5. Step 5: Solve for x
    x = 3,928,315,682,503.68/1,999,264.86
  6. Step 6: Final answer
    x = 1,964,880.07

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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.