Finding the Fourth Proportional to 3,839,420.47, 5,298,304.98 and 2,207,788.96
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Solution
The fourth proportional to 3,839,420.47, 5,298,304.98 and 2,207,788.96 is: 3,046,693.98
Step by Step Solution
- Step 1: Write the proportion equation
3,839,420.47 : 5,298,304.98 = 2,207,788.96 : x - Step 2: Convert to fraction form
3,839,420.47/5,298,304.98 = 2,207,788.96/x - Step 3: Cross multiply
3,839,420.47x = 5,298,304.98 × 2,207,788.96 - Step 4: Simplify right side
3,839,420.47x = 11,697,539,241,557.02 - Step 5: Solve for x
x = 11,697,539,241,557.02/3,839,420.47 - Step 6: Final answer
x = 3,046,693.98
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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.