Finding the Fourth Proportional to 2,118,644.99, 3,179,367.17 and 996,801.47
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Solution
The fourth proportional to 2,118,644.99, 3,179,367.17 and 996,801.47 is: 1,495,860.74
Step by Step Solution
- Step 1: Write the proportion equation
2,118,644.99 : 3,179,367.17 = 996,801.47 : x - Step 2: Convert to fraction form
2,118,644.99/3,179,367.17 = 996,801.47/x - Step 3: Cross multiply
2,118,644.99x = 3,179,367.17 × 996,801.47 - Step 4: Simplify right side
2,118,644.99x = 3,169,197,868,725.74 - Step 5: Solve for x
x = 3,169,197,868,725.74/2,118,644.99 - Step 6: Final answer
x = 1,495,860.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.