Finding the Fourth Proportional to 2,174,055.30, 3,246,442.65 and 1,775,486.70
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Solution
The fourth proportional to 2,174,055.30, 3,246,442.65 and 1,775,486.70 is: 2,651,273.75
Step by Step Solution
- Step 1: Write the proportion equation
2,174,055.30 : 3,246,442.65 = 1,775,486.70 : x - Step 2: Convert to fraction form
2,174,055.30/3,246,442.65 = 1,775,486.70/x - Step 3: Cross multiply
2,174,055.30x = 3,246,442.65 × 1,775,486.70 - Step 4: Simplify right side
2,174,055.30x = 5,764,015,747,387.76 - Step 5: Solve for x
x = 5,764,015,747,387.76/2,174,055.30 - Step 6: Final answer
x = 2,651,273.75
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.