Home / 1,989,176.32-2,983,785.27-1,592,339.68

Finding the Fourth Proportional to 1,989,176.32, 2,983,785.27 and 1,592,339.68

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Solution

The fourth proportional to 1,989,176.32, 2,983,785.27 and 1,592,339.68 is: 2,388,526.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,176.32 : 2,983,785.27 = 1,592,339.68 : x
  2. Step 2: Convert to fraction form
    1,989,176.32/2,983,785.27 = 1,592,339.68/x
  3. Step 3: Cross multiply
    1,989,176.32x = 2,983,785.27 × 1,592,339.68
  4. Step 4: Simplify right side
    1,989,176.32x = 4,751,199,682,020.51
  5. Step 5: Solve for x
    x = 4,751,199,682,020.51/1,989,176.32
  6. Step 6: Final answer
    x = 2,388,526.16

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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.