Finding the Fourth Proportional to 4,288,393.91, 5,918,176.64 and 2,569,477.52
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Solution
The fourth proportional to 4,288,393.91, 5,918,176.64 and 2,569,477.52 is: 3,545,994.64
Step by Step Solution
- Step 1: Write the proportion equation
4,288,393.91 : 5,918,176.64 = 2,569,477.52 : x - Step 2: Convert to fraction form
4,288,393.91/5,918,176.64 = 2,569,477.52/x - Step 3: Cross multiply
4,288,393.91x = 5,918,176.64 × 2,569,477.52 - Step 4: Simplify right side
4,288,393.91x = 15,206,621,835,869.13 - Step 5: Solve for x
x = 15,206,621,835,869.13/4,288,393.91 - Step 6: Final answer
x = 3,545,994.64
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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.