Home / 3,157,618.64-4,357,492.55-1,780,973.72

Finding the Fourth Proportional to 3,157,618.64, 4,357,492.55 and 1,780,973.72

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Solution

The fourth proportional to 3,157,618.64, 4,357,492.55 and 1,780,973.72 is: 2,457,731.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,618.64 : 4,357,492.55 = 1,780,973.72 : x
  2. Step 2: Convert to fraction form
    3,157,618.64/4,357,492.55 = 1,780,973.72/x
  3. Step 3: Cross multiply
    3,157,618.64x = 4,357,492.55 × 1,780,973.72
  4. Step 4: Simplify right side
    3,157,618.64x = 7,760,579,685,953.46
  5. Step 5: Solve for x
    x = 7,760,579,685,953.46/3,157,618.64
  6. Step 6: Final answer
    x = 2,457,731.79

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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.