Home / 1,887,200.64-2,589,688.80-1,716,128.64

Finding the Fourth Proportional to 1,887,200.64, 2,589,688.80 and 1,716,128.64

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Solution

The fourth proportional to 1,887,200.64, 2,589,688.80 and 1,716,128.64 is: 2,354,937.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,200.64 : 2,589,688.80 = 1,716,128.64 : x
  2. Step 2: Convert to fraction form
    1,887,200.64/2,589,688.80 = 1,716,128.64/x
  3. Step 3: Cross multiply
    1,887,200.64x = 2,589,688.80 × 1,716,128.64
  4. Step 4: Simplify right side
    1,887,200.64x = 4,444,239,118,367.23
  5. Step 5: Solve for x
    x = 4,444,239,118,367.23/1,887,200.64
  6. Step 6: Final answer
    x = 2,354,937.27

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.