Home / 1,820,611.72-2,513,389.08-1,330,030.72

Finding the Fourth Proportional to 1,820,611.72, 2,513,389.08 and 1,330,030.72

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Solution

The fourth proportional to 1,820,611.72, 2,513,389.08 and 1,330,030.72 is: 1,836,132.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,611.72 : 2,513,389.08 = 1,330,030.72 : x
  2. Step 2: Convert to fraction form
    1,820,611.72/2,513,389.08 = 1,330,030.72/x
  3. Step 3: Cross multiply
    1,820,611.72x = 2,513,389.08 × 1,330,030.72
  4. Step 4: Simplify right side
    1,820,611.72x = 3,342,884,687,712.54
  5. Step 5: Solve for x
    x = 3,342,884,687,712.54/1,820,611.72
  6. Step 6: Final answer
    x = 1,836,132.69

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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.