Finding the Fourth Proportional to 1,600,312.74, 2,207,761.74 and 1,049,160.80
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Solution
The fourth proportional to 1,600,312.74, 2,207,761.74 and 1,049,160.80 is: 1,447,402.75
Step by Step Solution
- Step 1: Write the proportion equation
1,600,312.74 : 2,207,761.74 = 1,049,160.80 : x - Step 2: Convert to fraction form
1,600,312.74/2,207,761.74 = 1,049,160.80/x - Step 3: Cross multiply
1,600,312.74x = 2,207,761.74 × 1,049,160.80 - Step 4: Simplify right side
1,600,312.74x = 2,316,297,062,308.98 - Step 5: Solve for x
x = 2,316,297,062,308.98/1,600,312.74 - Step 6: Final answer
x = 1,447,402.75
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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.