Finding the Fourth Proportional to 1,929,072.23, 2,661,874.98 and 1,057,677.62
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Solution
The fourth proportional to 1,929,072.23, 2,661,874.98 and 1,057,677.62 is: 1,459,460.95
Step by Step Solution
- Step 1: Write the proportion equation
1,929,072.23 : 2,661,874.98 = 1,057,677.62 : x - Step 2: Convert to fraction form
1,929,072.23/2,661,874.98 = 1,057,677.62/x - Step 3: Cross multiply
1,929,072.23x = 2,661,874.98 × 1,057,677.62 - Step 4: Simplify right side
1,929,072.23x = 2,815,405,580,274.57 - Step 5: Solve for x
x = 2,815,405,580,274.57/1,929,072.23 - Step 6: Final answer
x = 1,459,460.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.