Home / 2,108,078.10-2,909,148.75-1,141,208.39

Finding the Fourth Proportional to 2,108,078.10, 2,909,148.75 and 1,141,208.39

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Solution

The fourth proportional to 2,108,078.10, 2,909,148.75 and 1,141,208.39 is: 1,574,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,078.10 : 2,909,148.75 = 1,141,208.39 : x
  2. Step 2: Convert to fraction form
    2,108,078.10/2,909,148.75 = 1,141,208.39/x
  3. Step 3: Cross multiply
    2,108,078.10x = 2,909,148.75 × 1,141,208.39
  4. Step 4: Simplify right side
    2,108,078.10x = 3,319,944,961,258.01
  5. Step 5: Solve for x
    x = 3,319,944,961,258.01/2,108,078.10
  6. Step 6: Final answer
    x = 1,574,868.10

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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.