Finding the Fourth Proportional to 4,868,402.96, 6,717,879.08 and 2,692,600.40
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Solution
The fourth proportional to 4,868,402.96, 6,717,879.08 and 2,692,600.40 is: 3,715,502.61
Step by Step Solution
- Step 1: Write the proportion equation
4,868,402.96 : 6,717,879.08 = 2,692,600.40 : x - Step 2: Convert to fraction form
4,868,402.96/6,717,879.08 = 2,692,600.40/x - Step 3: Cross multiply
4,868,402.96x = 6,717,879.08 × 2,692,600.40 - Step 4: Simplify right side
4,868,402.96x = 18,088,563,897,959.63 - Step 5: Solve for x
x = 18,088,563,897,959.63/4,868,402.96 - Step 6: Final answer
x = 3,715,502.61
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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.