Finding the Fourth Proportional to 3,037,431.05, 4,191,657.14 and 1,660,752.82
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Solution
The fourth proportional to 3,037,431.05, 4,191,657.14 and 1,660,752.82 is: 2,291,840.14
Step by Step Solution
- Step 1: Write the proportion equation
3,037,431.05 : 4,191,657.14 = 1,660,752.82 : x - Step 2: Convert to fraction form
3,037,431.05/4,191,657.14 = 1,660,752.82/x - Step 3: Cross multiply
3,037,431.05x = 4,191,657.14 × 1,660,752.82 - Step 4: Simplify right side
3,037,431.05x = 6,961,306,386,466.08 - Step 5: Solve for x
x = 6,961,306,386,466.08/3,037,431.05 - Step 6: Final answer
x = 2,291,840.14
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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.