Finding the Fourth Proportional to 4,288,393.41, 5,918,175.95 and 2,569,477.02
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Solution
The fourth proportional to 4,288,393.41, 5,918,175.95 and 2,569,477.02 is: 3,545,993.95
Step by Step Solution
- Step 1: Write the proportion equation
4,288,393.41 : 5,918,175.95 = 2,569,477.02 : x - Step 2: Convert to fraction form
4,288,393.41/5,918,175.95 = 2,569,477.02/x - Step 3: Cross multiply
4,288,393.41x = 5,918,175.95 × 2,569,477.02 - Step 4: Simplify right side
4,288,393.41x = 15,206,617,103,841.67 - Step 5: Solve for x
x = 15,206,617,103,841.67/4,288,393.41 - Step 6: Final answer
x = 3,545,993.95
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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.