Finding the Fourth Proportional to 4,937,218.92, 7,403,913.69 and 1,698,140.70
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Solution
The fourth proportional to 4,937,218.92, 7,403,913.69 and 1,698,140.70 is: 2,546,552.50
Step by Step Solution
- Step 1: Write the proportion equation
4,937,218.92 : 7,403,913.69 = 1,698,140.70 : x - Step 2: Convert to fraction form
4,937,218.92/7,403,913.69 = 1,698,140.70/x - Step 3: Cross multiply
4,937,218.92x = 7,403,913.69 × 1,698,140.70 - Step 4: Simplify right side
4,937,218.92x = 12,572,887,179,460.20 - Step 5: Solve for x
x = 12,572,887,179,460.20/4,937,218.92 - Step 6: Final answer
x = 2,546,552.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.