Finding the Fourth Proportional to 2,781,352.52, 3,838,083.72 and 1,557,377.44
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Solution
The fourth proportional to 2,781,352.52, 3,838,083.72 and 1,557,377.44 is: 2,149,078.53
Step by Step Solution
- Step 1: Write the proportion equation
2,781,352.52 : 3,838,083.72 = 1,557,377.44 : x - Step 2: Convert to fraction form
2,781,352.52/3,838,083.72 = 1,557,377.44/x - Step 3: Cross multiply
2,781,352.52x = 3,838,083.72 × 1,557,377.44 - Step 4: Simplify right side
2,781,352.52x = 5,977,344,998,359.28 - Step 5: Solve for x
x = 5,977,344,998,359.28/2,781,352.52 - Step 6: Final answer
x = 2,149,078.53
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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.