Finding the Fourth Proportional to 2,880,431.97, 4,319,647.40 and 1,602,988.88
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Solution
The fourth proportional to 2,880,431.97, 4,319,647.40 and 1,602,988.88 is: 2,403,926.49
Step by Step Solution
- Step 1: Write the proportion equation
2,880,431.97 : 4,319,647.40 = 1,602,988.88 : x - Step 2: Convert to fraction form
2,880,431.97/4,319,647.40 = 1,602,988.88/x - Step 3: Cross multiply
2,880,431.97x = 4,319,647.40 × 1,602,988.88 - Step 4: Simplify right side
2,880,431.97x = 6,924,346,718,107.73 - Step 5: Solve for x
x = 6,924,346,718,107.73/2,880,431.97 - Step 6: Final answer
x = 2,403,926.49
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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.