Finding the Fourth Proportional to 5,357,197.26, 7,392,986.52 and 2,909,856.18
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Solution
The fourth proportional to 5,357,197.26, 7,392,986.52 and 2,909,856.18 is: 4,015,631.02
Step by Step Solution
- Step 1: Write the proportion equation
5,357,197.26 : 7,392,986.52 = 2,909,856.18 : x - Step 2: Convert to fraction form
5,357,197.26/7,392,986.52 = 2,909,856.18/x - Step 3: Cross multiply
5,357,197.26x = 7,392,986.52 × 2,909,856.18 - Step 4: Simplify right side
5,357,197.26x = 21,512,527,513,878.70 - Step 5: Solve for x
x = 21,512,527,513,878.70/5,357,197.26 - Step 6: Final answer
x = 4,015,631.02
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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.