Home / 2,102,712.79-3,154,068.86-505,275.88

Finding the Fourth Proportional to 2,102,712.79, 3,154,068.86 and 505,275.88

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Solution

The fourth proportional to 2,102,712.79, 3,154,068.86 and 505,275.88 is: 757,913.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,712.79 : 3,154,068.86 = 505,275.88 : x
  2. Step 2: Convert to fraction form
    2,102,712.79/3,154,068.86 = 505,275.88/x
  3. Step 3: Cross multiply
    2,102,712.79x = 3,154,068.86 × 505,275.88
  4. Step 4: Simplify right side
    2,102,712.79x = 1,593,674,908,405.55
  5. Step 5: Solve for x
    x = 1,593,674,908,405.55/2,102,712.79
  6. Step 6: Final answer
    x = 757,913.74

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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.