Finding the Fourth Proportional to 4,971,346.80, 7,438,357.80 and 3,291,730.80
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Solution
The fourth proportional to 4,971,346.80, 7,438,357.80 and 3,291,730.80 is: 4,925,239.07
Step by Step Solution
- Step 1: Write the proportion equation
4,971,346.80 : 7,438,357.80 = 3,291,730.80 : x - Step 2: Convert to fraction form
4,971,346.80/7,438,357.80 = 3,291,730.80/x - Step 3: Cross multiply
4,971,346.80x = 7,438,357.80 × 3,291,730.80 - Step 4: Simplify right side
4,971,346.80x = 24,485,071,471,680.24 - Step 5: Solve for x
x = 24,485,071,471,680.24/4,971,346.80 - Step 6: Final answer
x = 4,925,239.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.