Finding the Fourth Proportional to 2,927,513.84, 4,042,449.09 and 1,840,135.64
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Solution
The fourth proportional to 2,927,513.84, 4,042,449.09 and 1,840,135.64 is: 2,540,946.02
Step by Step Solution
- Step 1: Write the proportion equation
2,927,513.84 : 4,042,449.09 = 1,840,135.64 : x - Step 2: Convert to fraction form
2,927,513.84/4,042,449.09 = 1,840,135.64/x - Step 3: Cross multiply
2,927,513.84x = 4,042,449.09 × 1,840,135.64 - Step 4: Simplify right side
2,927,513.84x = 7,438,654,643,394.57 - Step 5: Solve for x
x = 7,438,654,643,394.57/2,927,513.84 - Step 6: Final answer
x = 2,540,946.02
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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.