Home / 2,140,451.22-3,210,185.51-1,276,130.70

Finding the Fourth Proportional to 2,140,451.22, 3,210,185.51 and 1,276,130.70

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Solution

The fourth proportional to 2,140,451.22, 3,210,185.51 and 1,276,130.70 is: 1,913,903.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,451.22 : 3,210,185.51 = 1,276,130.70 : x
  2. Step 2: Convert to fraction form
    2,140,451.22/3,210,185.51 = 1,276,130.70/x
  3. Step 3: Cross multiply
    2,140,451.22x = 3,210,185.51 × 1,276,130.70
  4. Step 4: Simplify right side
    2,140,451.22x = 4,096,616,282,006.16
  5. Step 5: Solve for x
    x = 4,096,616,282,006.16/2,140,451.22
  6. Step 6: Final answer
    x = 1,913,903.13

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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.