Finding the Fourth Proportional to 5,182,750.24, 7,152,373.20 and 3,007,129.12
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Solution
The fourth proportional to 5,182,750.24, 7,152,373.20 and 3,007,129.12 is: 4,149,941.39
Step by Step Solution
- Step 1: Write the proportion equation
5,182,750.24 : 7,152,373.20 = 3,007,129.12 : x - Step 2: Convert to fraction form
5,182,750.24/7,152,373.20 = 3,007,129.12/x - Step 3: Cross multiply
5,182,750.24x = 7,152,373.20 × 3,007,129.12 - Step 4: Simplify right side
5,182,750.24x = 21,508,109,726,827.59 - Step 5: Solve for x
x = 21,508,109,726,827.59/5,182,750.24 - Step 6: Final answer
x = 4,149,941.39
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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.