Finding the Fourth Proportional to 3,552,681.94, 4,902,403.10 and 2,102,123.21
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Solution
The fourth proportional to 3,552,681.94, 4,902,403.10 and 2,102,123.21 is: 2,900,753.71
Step by Step Solution
- Step 1: Write the proportion equation
3,552,681.94 : 4,902,403.10 = 2,102,123.21 : x - Step 2: Convert to fraction form
3,552,681.94/4,902,403.10 = 2,102,123.21/x - Step 3: Cross multiply
3,552,681.94x = 4,902,403.10 × 2,102,123.21 - Step 4: Simplify right side
3,552,681.94x = 10,305,455,306,263.32 - Step 5: Solve for x
x = 10,305,455,306,263.32/3,552,681.94 - Step 6: Final answer
x = 2,900,753.71
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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.