Finding the Fourth Proportional to 5,217,707.44, 7,201,468.98 and 3,384,437.68
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Solution
The fourth proportional to 5,217,707.44, 7,201,468.98 and 3,384,437.68 is: 4,671,193.86
Step by Step Solution
- Step 1: Write the proportion equation
5,217,707.44 : 7,201,468.98 = 3,384,437.68 : x - Step 2: Convert to fraction form
5,217,707.44/7,201,468.98 = 3,384,437.68/x - Step 3: Cross multiply
5,217,707.44x = 7,201,468.98 × 3,384,437.68 - Step 4: Simplify right side
5,217,707.44x = 24,372,922,967,263.17 - Step 5: Solve for x
x = 24,372,922,967,263.17/5,217,707.44 - Step 6: Final answer
x = 4,671,193.86
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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.