Home / 5,179,669.47-7,768,178.48-1,535,547.20

Finding the Fourth Proportional to 5,179,669.47, 7,768,178.48 and 1,535,547.20

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Solution

The fourth proportional to 5,179,669.47, 7,768,178.48 and 1,535,547.20 is: 2,302,927.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179,669.47 : 7,768,178.48 = 1,535,547.20 : x
  2. Step 2: Convert to fraction form
    5,179,669.47/7,768,178.48 = 1,535,547.20/x
  3. Step 3: Cross multiply
    5,179,669.47x = 7,768,178.48 × 1,535,547.20
  4. Step 4: Simplify right side
    5,179,669.47x = 11,928,404,714,064.26
  5. Step 5: Solve for x
    x = 11,928,404,714,064.26/5,179,669.47
  6. Step 6: Final answer
    x = 2,302,927.78

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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.