Home / 2,121,127-2,927,155.74-1,167,271

Finding the Fourth Proportional to 2,121,127, 2,927,155.74 and 1,167,271

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Solution

The fourth proportional to 2,121,127, 2,927,155.74 and 1,167,271 is: 1,610,834.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,127 : 2,927,155.74 = 1,167,271 : x
  2. Step 2: Convert to fraction form
    2,121,127/2,927,155.74 = 1,167,271/x
  3. Step 3: Cross multiply
    2,121,127x = 2,927,155.74 × 1,167,271
  4. Step 4: Simplify right side
    2,121,127x = 3,416,784,007,785.54
  5. Step 5: Solve for x
    x = 3,416,784,007,785.54/2,121,127
  6. Step 6: Final answer
    x = 1,610,834.24

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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.