Finding the Fourth Proportional to 3,772,308.16, 5,654,006.90 and 1,612,701.70
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Solution
The fourth proportional to 3,772,308.16, 5,654,006.90 and 1,612,701.70 is: 2,417,147.85
Step by Step Solution
- Step 1: Write the proportion equation
3,772,308.16 : 5,654,006.90 = 1,612,701.70 : x - Step 2: Convert to fraction form
3,772,308.16/5,654,006.90 = 1,612,701.70/x - Step 3: Cross multiply
3,772,308.16x = 5,654,006.90 × 1,612,701.70 - Step 4: Simplify right side
3,772,308.16x = 9,118,226,532,362.28 - Step 5: Solve for x
x = 9,118,226,532,362.28/3,772,308.16 - Step 6: Final answer
x = 2,417,147.85
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1.5x scale
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.