Finding the Fourth Proportional to 2,579,962.28, 3,560,257.14 and 1,418,400.08
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Solution
The fourth proportional to 2,579,962.28, 3,560,257.14 and 1,418,400.08 is: 1,957,342.19
Step by Step Solution
- Step 1: Write the proportion equation
2,579,962.28 : 3,560,257.14 = 1,418,400.08 : x - Step 2: Convert to fraction form
2,579,962.28/3,560,257.14 = 1,418,400.08/x - Step 3: Cross multiply
2,579,962.28x = 3,560,257.14 × 1,418,400.08 - Step 4: Simplify right side
2,579,962.28x = 5,049,869,012,196.57 - Step 5: Solve for x
x = 5,049,869,012,196.57/2,579,962.28 - Step 6: Final answer
x = 1,957,342.19
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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.