Home / 2,105,602.96-3,159,648.60-776,840.08

Finding the Fourth Proportional to 2,105,602.96, 3,159,648.60 and 776,840.08

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Solution

The fourth proportional to 2,105,602.96, 3,159,648.60 and 776,840.08 is: 1,165,719.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,602.96 : 3,159,648.60 = 776,840.08 : x
  2. Step 2: Convert to fraction form
    2,105,602.96/3,159,648.60 = 776,840.08/x
  3. Step 3: Cross multiply
    2,105,602.96x = 3,159,648.60 × 776,840.08
  4. Step 4: Simplify right side
    2,105,602.96x = 2,454,541,671,195.89
  5. Step 5: Solve for x
    x = 2,454,541,671,195.89/2,105,602.96
  6. Step 6: Final answer
    x = 1,165,719.14

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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.