Finding the Fourth Proportional to 2,652,702.28, 3,979,048.43 and 831,206.66
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Solution
The fourth proportional to 2,652,702.28, 3,979,048.43 and 831,206.66 is: 1,246,808.43
Step by Step Solution
- Step 1: Write the proportion equation
2,652,702.28 : 3,979,048.43 = 831,206.66 : x - Step 2: Convert to fraction form
2,652,702.28/3,979,048.43 = 831,206.66/x - Step 3: Cross multiply
2,652,702.28x = 3,979,048.43 × 831,206.66 - Step 4: Simplify right side
2,652,702.28x = 3,307,411,555,478.54 - Step 5: Solve for x
x = 3,307,411,555,478.54/2,652,702.28 - Step 6: Final answer
x = 1,246,808.43
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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.