Finding the Fourth Proportional to 2,775,652.48, 3,829,227.30 and 1,858,177.12
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Solution
The fourth proportional to 2,775,652.48, 3,829,227.30 and 1,858,177.12 is: 2,563,499.07
Step by Step Solution
- Step 1: Write the proportion equation
2,775,652.48 : 3,829,227.30 = 1,858,177.12 : x - Step 2: Convert to fraction form
2,775,652.48/3,829,227.30 = 1,858,177.12/x - Step 3: Cross multiply
2,775,652.48x = 3,829,227.30 × 1,858,177.12 - Step 4: Simplify right side
2,775,652.48x = 7,115,382,556,139.38 - Step 5: Solve for x
x = 7,115,382,556,139.38/2,775,652.48 - Step 6: Final answer
x = 2,563,499.07
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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.