Home / 1,537,619.13-2,121,901.73-839,900.52

Finding the Fourth Proportional to 1,537,619.13, 2,121,901.73 and 839,900.52

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Solution

The fourth proportional to 1,537,619.13, 2,121,901.73 and 839,900.52 is: 1,159,055.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537,619.13 : 2,121,901.73 = 839,900.52 : x
  2. Step 2: Convert to fraction form
    1,537,619.13/2,121,901.73 = 839,900.52/x
  3. Step 3: Cross multiply
    1,537,619.13x = 2,121,901.73 × 839,900.52
  4. Step 4: Simplify right side
    1,537,619.13x = 1,782,186,366,415.90
  5. Step 5: Solve for x
    x = 1,782,186,366,415.90/1,537,619.13
  6. Step 6: Final answer
    x = 1,159,055.80

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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.