Finding the Fourth Proportional to 2,634,802.75, 3,636,030.23 and 1,427,578.75
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Solution
The fourth proportional to 2,634,802.75, 3,636,030.23 and 1,427,578.75 is: 1,970,059.99
Step by Step Solution
- Step 1: Write the proportion equation
2,634,802.75 : 3,636,030.23 = 1,427,578.75 : x - Step 2: Convert to fraction form
2,634,802.75/3,636,030.23 = 1,427,578.75/x - Step 3: Cross multiply
2,634,802.75x = 3,636,030.23 × 1,427,578.75 - Step 4: Simplify right side
2,634,802.75x = 5,190,719,490,705.61 - Step 5: Solve for x
x = 5,190,719,490,705.61/2,634,802.75 - Step 6: Final answer
x = 1,970,059.99
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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.