Home / 2,696,803.80-4,045,205.70-1,638,576.60

Finding the Fourth Proportional to 2,696,803.80, 4,045,205.70 and 1,638,576.60

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Solution

The fourth proportional to 2,696,803.80, 4,045,205.70 and 1,638,576.60 is: 2,457,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696,803.80 : 4,045,205.70 = 1,638,576.60 : x
  2. Step 2: Convert to fraction form
    2,696,803.80/4,045,205.70 = 1,638,576.60/x
  3. Step 3: Cross multiply
    2,696,803.80x = 4,045,205.70 × 1,638,576.60
  4. Step 4: Simplify right side
    2,696,803.80x = 6,628,379,402,206.62
  5. Step 5: Solve for x
    x = 6,628,379,402,206.62/2,696,803.80
  6. Step 6: Final answer
    x = 2,457,864.90

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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.