Finding the Fourth Proportional to 5,229,823.60, 7,217,341.59 and 2,906,762.43
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Solution
The fourth proportional to 5,229,823.60, 7,217,341.59 and 2,906,762.43 is: 4,011,434.99
Step by Step Solution
- Step 1: Write the proportion equation
5,229,823.60 : 7,217,341.59 = 2,906,762.43 : x - Step 2: Convert to fraction form
5,229,823.60/7,217,341.59 = 2,906,762.43/x - Step 3: Cross multiply
5,229,823.60x = 7,217,341.59 × 2,906,762.43 - Step 4: Simplify right side
5,229,823.60x = 20,979,097,378,288.46 - Step 5: Solve for x
x = 20,979,097,378,288.46/5,229,823.60 - Step 6: Final answer
x = 4,011,434.99
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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.