Finding the Fourth Proportional to 1,557,097.88, 2,335,985.33 and 477,614.70
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Solution
The fourth proportional to 1,557,097.88, 2,335,985.33 and 477,614.70 is: 716,525.88
Step by Step Solution
- Step 1: Write the proportion equation
1,557,097.88 : 2,335,985.33 = 477,614.70 : x - Step 2: Convert to fraction form
1,557,097.88/2,335,985.33 = 477,614.70/x - Step 3: Cross multiply
1,557,097.88x = 2,335,985.33 × 477,614.70 - Step 4: Simplify right side
1,557,097.88x = 1,115,700,930,204.28 - Step 5: Solve for x
x = 1,115,700,930,204.28/1,557,097.88 - Step 6: Final answer
x = 716,525.88
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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.