Finding the Fourth Proportional to 7,041,623.36, 9,717,594.72 and 4,288,439.84
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Solution
The fourth proportional to 7,041,623.36, 9,717,594.72 and 4,288,439.84 is: 5,918,141.06
Step by Step Solution
- Step 1: Write the proportion equation
7,041,623.36 : 9,717,594.72 = 4,288,439.84 : x - Step 2: Convert to fraction form
7,041,623.36/9,717,594.72 = 4,288,439.84/x - Step 3: Cross multiply
7,041,623.36x = 9,717,594.72 × 4,288,439.84 - Step 4: Simplify right side
7,041,623.36x = 41,673,320,346,221.65 - Step 5: Solve for x
x = 41,673,320,346,221.65/7,041,623.36 - Step 6: Final answer
x = 5,918,141.06
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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.