Finding the Fourth Proportional to 4,163,856.95, 5,746,090.12 and 2,328,318.79
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Solution
The fourth proportional to 4,163,856.95, 5,746,090.12 and 2,328,318.79 is: 3,213,061.77
Step by Step Solution
- Step 1: Write the proportion equation
4,163,856.95 : 5,746,090.12 = 2,328,318.79 : x - Step 2: Convert to fraction form
4,163,856.95/5,746,090.12 = 2,328,318.79/x - Step 3: Cross multiply
4,163,856.95x = 5,746,090.12 × 2,328,318.79 - Step 4: Simplify right side
4,163,856.95x = 13,378,729,575,243.33 - Step 5: Solve for x
x = 13,378,729,575,243.33/4,163,856.95 - Step 6: Final answer
x = 3,213,061.77
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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.