Finding the Fourth Proportional to 5,913,378.80, 8,160,474.60 and 3,197,124.80
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Solution
The fourth proportional to 5,913,378.80, 8,160,474.60 and 3,197,124.80 is: 4,412,038.63
Step by Step Solution
- Step 1: Write the proportion equation
5,913,378.80 : 8,160,474.60 = 3,197,124.80 : x - Step 2: Convert to fraction form
5,913,378.80/8,160,474.60 = 3,197,124.80/x - Step 3: Cross multiply
5,913,378.80x = 8,160,474.60 × 3,197,124.80 - Step 4: Simplify right side
5,913,378.80x = 26,090,055,723,430.08 - Step 5: Solve for x
x = 26,090,055,723,430.08/5,913,378.80 - Step 6: Final answer
x = 4,412,038.63
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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.