Finding the Fourth Proportional to 5,312,623.39, 7,330,854.99 and 2,989,475.42
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Solution
The fourth proportional to 5,312,623.39, 7,330,854.99 and 2,989,475.42 is: 4,125,157.98
Step by Step Solution
- Step 1: Write the proportion equation
5,312,623.39 : 7,330,854.99 = 2,989,475.42 : x - Step 2: Convert to fraction form
5,312,623.39/7,330,854.99 = 2,989,475.42/x - Step 3: Cross multiply
5,312,623.39x = 7,330,854.99 × 2,989,475.42 - Step 4: Simplify right side
5,312,623.39x = 21,915,410,781,862.21 - Step 5: Solve for x
x = 21,915,410,781,862.21/5,312,623.39 - Step 6: Final answer
x = 4,125,157.98
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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.