Home / 3,143,128.50-4,338,702.27-1,836,804.66

Finding the Fourth Proportional to 3,143,128.50, 4,338,702.27 and 1,836,804.66

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Solution

The fourth proportional to 3,143,128.50, 4,338,702.27 and 1,836,804.66 is: 2,535,482.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,128.50 : 4,338,702.27 = 1,836,804.66 : x
  2. Step 2: Convert to fraction form
    3,143,128.50/4,338,702.27 = 1,836,804.66/x
  3. Step 3: Cross multiply
    3,143,128.50x = 4,338,702.27 × 1,836,804.66
  4. Step 4: Simplify right side
    3,143,128.50x = 7,969,348,547,888.58
  5. Step 5: Solve for x
    x = 7,969,348,547,888.58/3,143,128.50
  6. Step 6: Final answer
    x = 2,535,482.89

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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.