Home / 1,817,522.52-2,508,148.47-990,603.51

Finding the Fourth Proportional to 1,817,522.52, 2,508,148.47 and 990,603.51

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Solution

The fourth proportional to 1,817,522.52, 2,508,148.47 and 990,603.51 is: 1,367,015.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,522.52 : 2,508,148.47 = 990,603.51 : x
  2. Step 2: Convert to fraction form
    1,817,522.52/2,508,148.47 = 990,603.51/x
  3. Step 3: Cross multiply
    1,817,522.52x = 2,508,148.47 × 990,603.51
  4. Step 4: Simplify right side
    1,817,522.52x = 2,484,580,677,983.13
  5. Step 5: Solve for x
    x = 2,484,580,677,983.13/1,817,522.52
  6. Step 6: Final answer
    x = 1,367,015.07

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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.