Finding the Fourth Proportional to 4,971,848.64, 6,861,510.18 and 3,038,479.08
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Solution
The fourth proportional to 4,971,848.64, 6,861,510.18 and 3,038,479.08 is: 4,193,320.56
Step by Step Solution
- Step 1: Write the proportion equation
4,971,848.64 : 6,861,510.18 = 3,038,479.08 : x - Step 2: Convert to fraction form
4,971,848.64/6,861,510.18 = 3,038,479.08/x - Step 3: Cross multiply
4,971,848.64x = 6,861,510.18 × 3,038,479.08 - Step 4: Simplify right side
4,971,848.64x = 20,848,555,139,137.04 - Step 5: Solve for x
x = 20,848,555,139,137.04/4,971,848.64 - Step 6: Final answer
x = 4,193,320.56
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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.