Home / 2,696,812.30-4,045,218.45-1,638,585.10

Finding the Fourth Proportional to 2,696,812.30, 4,045,218.45 and 1,638,585.10

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Solution

The fourth proportional to 2,696,812.30, 4,045,218.45 and 1,638,585.10 is: 2,457,877.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696,812.30 : 4,045,218.45 = 1,638,585.10 : x
  2. Step 2: Convert to fraction form
    2,696,812.30/4,045,218.45 = 1,638,585.10/x
  3. Step 3: Cross multiply
    2,696,812.30x = 4,045,218.45 × 1,638,585.10
  4. Step 4: Simplify right side
    2,696,812.30x = 6,628,434,678,415.10
  5. Step 5: Solve for x
    x = 6,628,434,678,415.10/2,696,812.30
  6. Step 6: Final answer
    x = 2,457,877.65

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Similar ratio
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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.