Home / 1,499,829.66-2,070,730.71-1,338,407.19

Finding the Fourth Proportional to 1,499,829.66, 2,070,730.71 and 1,338,407.19

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Solution

The fourth proportional to 1,499,829.66, 2,070,730.71 and 1,338,407.19 is: 1,847,863.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,829.66 : 2,070,730.71 = 1,338,407.19 : x
  2. Step 2: Convert to fraction form
    1,499,829.66/2,070,730.71 = 1,338,407.19/x
  3. Step 3: Cross multiply
    1,499,829.66x = 2,070,730.71 × 1,338,407.19
  4. Step 4: Simplify right side
    1,499,829.66x = 2,771,480,870,817.80
  5. Step 5: Solve for x
    x = 2,771,480,870,817.80/1,499,829.66
  6. Step 6: Final answer
    x = 1,847,863.76

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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.