Home / 1,686,533.13-2,325,838.41-1,343,509.47

Finding the Fourth Proportional to 1,686,533.13, 2,325,838.41 and 1,343,509.47

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Solution

The fourth proportional to 1,686,533.13, 2,325,838.41 and 1,343,509.47 is: 1,852,786.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,533.13 : 2,325,838.41 = 1,343,509.47 : x
  2. Step 2: Convert to fraction form
    1,686,533.13/2,325,838.41 = 1,343,509.47/x
  3. Step 3: Cross multiply
    1,686,533.13x = 2,325,838.41 × 1,343,509.47
  4. Step 4: Simplify right side
    1,686,533.13x = 3,124,785,929,524.74
  5. Step 5: Solve for x
    x = 3,124,785,929,524.74/1,686,533.13
  6. Step 6: Final answer
    x = 1,852,786.57

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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.