Finding the Fourth Proportional to 3,163,343.32, 4,365,416.11 and 1,713,040.34
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Solution
The fourth proportional to 3,163,343.32, 4,365,416.11 and 1,713,040.34 is: 2,363,996.93
Step by Step Solution
- Step 1: Write the proportion equation
3,163,343.32 : 4,365,416.11 = 1,713,040.34 : x - Step 2: Convert to fraction form
3,163,343.32/4,365,416.11 = 1,713,040.34/x - Step 3: Cross multiply
3,163,343.32x = 4,365,416.11 × 1,713,040.34 - Step 4: Simplify right side
3,163,343.32x = 7,478,133,897,315.88 - Step 5: Solve for x
x = 7,478,133,897,315.88/3,163,343.32 - Step 6: Final answer
x = 2,363,996.93
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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.