Home / 2,081,001.02-2,872,146.87-1,210,105.22

Finding the Fourth Proportional to 2,081,001.02, 2,872,146.87 and 1,210,105.22

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Solution

The fourth proportional to 2,081,001.02, 2,872,146.87 and 1,210,105.22 is: 1,670,157.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,001.02 : 2,872,146.87 = 1,210,105.22 : x
  2. Step 2: Convert to fraction form
    2,081,001.02/2,872,146.87 = 1,210,105.22/x
  3. Step 3: Cross multiply
    2,081,001.02x = 2,872,146.87 × 1,210,105.22
  4. Step 4: Simplify right side
    2,081,001.02x = 3,475,599,905,632.93
  5. Step 5: Solve for x
    x = 3,475,599,905,632.93/2,081,001.02
  6. Step 6: Final answer
    x = 1,670,157.72

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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.