Home / 2,185,040.40-3,280,018.20-1,688,605.20

Finding the Fourth Proportional to 2,185,040.40, 3,280,018.20 and 1,688,605.20

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Solution

The fourth proportional to 2,185,040.40, 3,280,018.20 and 1,688,605.20 is: 2,534,807.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,040.40 : 3,280,018.20 = 1,688,605.20 : x
  2. Step 2: Convert to fraction form
    2,185,040.40/3,280,018.20 = 1,688,605.20/x
  3. Step 3: Cross multiply
    2,185,040.40x = 3,280,018.20 × 1,688,605.20
  4. Step 4: Simplify right side
    2,185,040.40x = 5,538,655,788,614.64
  5. Step 5: Solve for x
    x = 5,538,655,788,614.64/2,185,040.40
  6. Step 6: Final answer
    x = 2,534,807.04

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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.