Home / 3,688,005.68-5,528,853.10-1,415,161.07

Finding the Fourth Proportional to 3,688,005.68, 5,528,853.10 and 1,415,161.07

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Solution

The fourth proportional to 3,688,005.68, 5,528,853.10 and 1,415,161.07 is: 2,121,530.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688,005.68 : 5,528,853.10 = 1,415,161.07 : x
  2. Step 2: Convert to fraction form
    3,688,005.68/5,528,853.10 = 1,415,161.07/x
  3. Step 3: Cross multiply
    3,688,005.68x = 5,528,853.10 × 1,415,161.07
  4. Step 4: Simplify right side
    3,688,005.68x = 7,824,217,686,866.22
  5. Step 5: Solve for x
    x = 7,824,217,686,866.22/3,688,005.68
  6. Step 6: Final answer
    x = 2,121,530.81

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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.