Home / 1,637,251.86-2,243,043.22-1,575,889.40

Finding the Fourth Proportional to 1,637,251.86, 2,243,043.22 and 1,575,889.40

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Solution

The fourth proportional to 1,637,251.86, 2,243,043.22 and 1,575,889.40 is: 2,158,976.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,251.86 : 2,243,043.22 = 1,575,889.40 : x
  2. Step 2: Convert to fraction form
    1,637,251.86/2,243,043.22 = 1,575,889.40/x
  3. Step 3: Cross multiply
    1,637,251.86x = 2,243,043.22 × 1,575,889.40
  4. Step 4: Simplify right side
    1,637,251.86x = 3,534,788,034,139.87
  5. Step 5: Solve for x
    x = 3,534,788,034,139.87/1,637,251.86
  6. Step 6: Final answer
    x = 2,158,976.34

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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.