Finding the Fourth Proportional to 5,382,292.28, 7,427,509.08 and 2,934,897.18
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Solution
The fourth proportional to 5,382,292.28, 7,427,509.08 and 2,934,897.18 is: 4,050,128.52
Step by Step Solution
- Step 1: Write the proportion equation
5,382,292.28 : 7,427,509.08 = 2,934,897.18 : x - Step 2: Convert to fraction form
5,382,292.28/7,427,509.08 = 2,934,897.18/x - Step 3: Cross multiply
5,382,292.28x = 7,427,509.08 × 2,934,897.18 - Step 4: Simplify right side
5,382,292.28x = 21,798,975,453,316.39 - Step 5: Solve for x
x = 21,798,975,453,316.39/5,382,292.28 - Step 6: Final answer
x = 4,050,128.52
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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.