Home / 2,870,025.40-3,960,640.46-1,563,273.41

Finding the Fourth Proportional to 2,870,025.40, 3,960,640.46 and 1,563,273.41

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Solution

The fourth proportional to 2,870,025.40, 3,960,640.46 and 1,563,273.41 is: 2,157,320.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870,025.40 : 3,960,640.46 = 1,563,273.41 : x
  2. Step 2: Convert to fraction form
    2,870,025.40/3,960,640.46 = 1,563,273.41/x
  3. Step 3: Cross multiply
    2,870,025.40x = 3,960,640.46 × 1,563,273.41
  4. Step 4: Simplify right side
    2,870,025.40x = 6,191,563,917,688.17
  5. Step 5: Solve for x
    x = 6,191,563,917,688.17/2,870,025.40
  6. Step 6: Final answer
    x = 2,157,320.25

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1.5x scale

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.