Finding the Fourth Proportional to 4,292,961.47, 6,442,394.66 and 1,768,616.72
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Solution
The fourth proportional to 4,292,961.47, 6,442,394.66 and 1,768,616.72 is: 2,654,141.43
Step by Step Solution
- Step 1: Write the proportion equation
4,292,961.47 : 6,442,394.66 = 1,768,616.72 : x - Step 2: Convert to fraction form
4,292,961.47/6,442,394.66 = 1,768,616.72/x - Step 3: Cross multiply
4,292,961.47x = 6,442,394.66 × 1,768,616.72 - Step 4: Simplify right side
4,292,961.47x = 11,394,126,871,459.66 - Step 5: Solve for x
x = 11,394,126,871,459.66/4,292,961.47 - Step 6: Final answer
x = 2,654,141.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.