Finding the Fourth Proportional to 5,432,612.10, 8,148,918.15 and 1,646,283.30
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Solution
The fourth proportional to 5,432,612.10, 8,148,918.15 and 1,646,283.30 is: 2,469,424.95
Step by Step Solution
- Step 1: Write the proportion equation
5,432,612.10 : 8,148,918.15 = 1,646,283.30 : x - Step 2: Convert to fraction form
5,432,612.10/8,148,918.15 = 1,646,283.30/x - Step 3: Cross multiply
5,432,612.10x = 8,148,918.15 × 1,646,283.30 - Step 4: Simplify right side
5,432,612.10x = 13,415,427,863,411.90 - Step 5: Solve for x
x = 13,415,427,863,411.90/5,432,612.10 - Step 6: Final answer
x = 2,469,424.95
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Double scale
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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.