Finding the Fourth Proportional to 4,510,472.78, 6,218,430.98 and 3,583,257.05
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Solution
The fourth proportional to 4,510,472.78, 6,218,430.98 and 3,583,257.05 is: 4,940,111.10
Step by Step Solution
- Step 1: Write the proportion equation
4,510,472.78 : 6,218,430.98 = 3,583,257.05 : x - Step 2: Convert to fraction form
4,510,472.78/6,218,430.98 = 3,583,257.05/x - Step 3: Cross multiply
4,510,472.78x = 6,218,430.98 × 3,583,257.05 - Step 4: Simplify right side
4,510,472.78x = 22,282,236,646,653.20 - Step 5: Solve for x
x = 22,282,236,646,653.20/4,510,472.78 - Step 6: Final answer
x = 4,940,111.10
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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.