Home / 2,239,411.86-3,089,412.90-1,423,178.10

Finding the Fourth Proportional to 2,239,411.86, 3,089,412.90 and 1,423,178.10

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Solution

The fourth proportional to 2,239,411.86, 3,089,412.90 and 1,423,178.10 is: 1,963,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,411.86 : 3,089,412.90 = 1,423,178.10 : x
  2. Step 2: Convert to fraction form
    2,239,411.86/3,089,412.90 = 1,423,178.10/x
  3. Step 3: Cross multiply
    2,239,411.86x = 3,089,412.90 × 1,423,178.10
  4. Step 4: Simplify right side
    2,239,411.86x = 4,396,784,781,137.49
  5. Step 5: Solve for x
    x = 4,396,784,781,137.49/2,239,411.86
  6. Step 6: Final answer
    x = 1,963,365.85

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1.5x scale

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.