Home / 1,535,837.72-2,119,877.66-891,465.51

Finding the Fourth Proportional to 1,535,837.72, 2,119,877.66 and 891,465.51

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Solution

The fourth proportional to 1,535,837.72, 2,119,877.66 and 891,465.51 is: 1,230,467.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,837.72 : 2,119,877.66 = 891,465.51 : x
  2. Step 2: Convert to fraction form
    1,535,837.72/2,119,877.66 = 891,465.51/x
  3. Step 3: Cross multiply
    1,535,837.72x = 2,119,877.66 × 891,465.51
  4. Step 4: Simplify right side
    1,535,837.72x = 1,889,797,819,309.51
  5. Step 5: Solve for x
    x = 1,889,797,819,309.51/1,535,837.72
  6. Step 6: Final answer
    x = 1,230,467.12

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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.