Finding the Fourth Proportional to 6,409,442.16, 8,845,029.44 and 3,508,824.08
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Solution
The fourth proportional to 6,409,442.16, 8,845,029.44 and 3,508,824.08 is: 4,842,176.82
Step by Step Solution
- Step 1: Write the proportion equation
6,409,442.16 : 8,845,029.44 = 3,508,824.08 : x - Step 2: Convert to fraction form
6,409,442.16/8,845,029.44 = 3,508,824.08/x - Step 3: Cross multiply
6,409,442.16x = 8,845,029.44 × 3,508,824.08 - Step 4: Simplify right side
6,409,442.16x = 31,035,652,287,380.91 - Step 5: Solve for x
x = 31,035,652,287,380.91/6,409,442.16 - Step 6: Final answer
x = 4,842,176.82
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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.