Home / 1,637,238.95-2,243,025.45-1,575,876.49

Finding the Fourth Proportional to 1,637,238.95, 2,243,025.45 and 1,575,876.49

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Solution

The fourth proportional to 1,637,238.95, 2,243,025.45 and 1,575,876.49 is: 2,158,958.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,238.95 : 2,243,025.45 = 1,575,876.49 : x
  2. Step 2: Convert to fraction form
    1,637,238.95/2,243,025.45 = 1,575,876.49/x
  3. Step 3: Cross multiply
    1,637,238.95x = 2,243,025.45 × 1,575,876.49
  4. Step 4: Simplify right side
    1,637,238.95x = 3,534,731,069,395.46
  5. Step 5: Solve for x
    x = 3,534,731,069,395.46/1,637,238.95
  6. Step 6: Final answer
    x = 2,158,958.57

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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.