Finding the Fourth Proportional to 5,681,684.08, 7,840,672.20 and 3,103,364.14
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Solution
The fourth proportional to 5,681,684.08, 7,840,672.20 and 3,103,364.14 is: 4,282,614.20
Step by Step Solution
- Step 1: Write the proportion equation
5,681,684.08 : 7,840,672.20 = 3,103,364.14 : x - Step 2: Convert to fraction form
5,681,684.08/7,840,672.20 = 3,103,364.14/x - Step 3: Cross multiply
5,681,684.08x = 7,840,672.20 × 3,103,364.14 - Step 4: Simplify right side
5,681,684.08x = 24,332,460,938,974.91 - Step 5: Solve for x
x = 24,332,460,938,974.91/5,681,684.08 - Step 6: Final answer
x = 4,282,614.20
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1.5x scale
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.