Finding the Fourth Proportional to 6,331,471.07, 8,736,463.70 and 3,577,153.53
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Solution
The fourth proportional to 6,331,471.07, 8,736,463.70 and 3,577,153.53 is: 4,935,925.89
Step by Step Solution
- Step 1: Write the proportion equation
6,331,471.07 : 8,736,463.70 = 3,577,153.53 : x - Step 2: Convert to fraction form
6,331,471.07/8,736,463.70 = 3,577,153.53/x - Step 3: Cross multiply
6,331,471.07x = 8,736,463.70 × 3,577,153.53 - Step 4: Simplify right side
6,331,471.07x = 31,251,671,998,583.01 - Step 5: Solve for x
x = 31,251,671,998,583.01/6,331,471.07 - Step 6: Final answer
x = 4,935,925.89
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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.