Home / 1,457,005.80-2,185,508.70-1,447,674.60

Finding the Fourth Proportional to 1,457,005.80, 2,185,508.70 and 1,447,674.60

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Solution

The fourth proportional to 1,457,005.80, 2,185,508.70 and 1,447,674.60 is: 2,171,511.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,005.80 : 2,185,508.70 = 1,447,674.60 : x
  2. Step 2: Convert to fraction form
    1,457,005.80/2,185,508.70 = 1,447,674.60/x
  3. Step 3: Cross multiply
    1,457,005.80x = 2,185,508.70 × 1,447,674.60
  4. Step 4: Simplify right side
    1,457,005.80x = 3,163,905,433,069.02
  5. Step 5: Solve for x
    x = 3,163,905,433,069.02/1,457,005.80
  6. Step 6: Final answer
    x = 2,171,511.90

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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.