Home / 1,913,181.32-2,869,937.20-493,225.40

Finding the Fourth Proportional to 1,913,181.32, 2,869,937.20 and 493,225.40

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Solution

The fourth proportional to 1,913,181.32, 2,869,937.20 and 493,225.40 is: 739,880.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,181.32 : 2,869,937.20 = 493,225.40 : x
  2. Step 2: Convert to fraction form
    1,913,181.32/2,869,937.20 = 493,225.40/x
  3. Step 3: Cross multiply
    1,913,181.32x = 2,869,937.20 × 493,225.40
  4. Step 4: Simplify right side
    1,913,181.32x = 1,415,525,923,444.88
  5. Step 5: Solve for x
    x = 1,415,525,923,444.88/1,913,181.32
  6. Step 6: Final answer
    x = 739,880.69

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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.