Finding the Fourth Proportional to 1,897,977.07, 2,619,208.36 and 1,038,537.33
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Solution
The fourth proportional to 1,897,977.07, 2,619,208.36 and 1,038,537.33 is: 1,433,181.52
Step by Step Solution
- Step 1: Write the proportion equation
1,897,977.07 : 2,619,208.36 = 1,038,537.33 : x - Step 2: Convert to fraction form
1,897,977.07/2,619,208.36 = 1,038,537.33/x - Step 3: Cross multiply
1,897,977.07x = 2,619,208.36 × 1,038,537.33 - Step 4: Simplify right side
1,897,977.07x = 2,720,145,654,311.74 - Step 5: Solve for x
x = 2,720,145,654,311.74/1,897,977.07 - Step 6: Final answer
x = 1,433,181.52
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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.