Home / 2,090,767.20-2,886,272.40-1,402,187.22

Finding the Fourth Proportional to 2,090,767.20, 2,886,272.40 and 1,402,187.22

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Solution

The fourth proportional to 2,090,767.20, 2,886,272.40 and 1,402,187.22 is: 1,935,698.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090,767.20 : 2,886,272.40 = 1,402,187.22 : x
  2. Step 2: Convert to fraction form
    2,090,767.20/2,886,272.40 = 1,402,187.22/x
  3. Step 3: Cross multiply
    2,090,767.20x = 2,886,272.40 × 1,402,187.22
  4. Step 4: Simplify right side
    2,090,767.20x = 4,047,094,272,718.73
  5. Step 5: Solve for x
    x = 4,047,094,272,718.73/2,090,767.20
  6. Step 6: Final answer
    x = 1,935,698.18

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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.