Finding the Fourth Proportional to 4,288,604.47, 5,918,367.77 and 2,354,946.55
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Solution
The fourth proportional to 4,288,604.47, 5,918,367.77 and 2,354,946.55 is: 3,249,877.63
Step by Step Solution
- Step 1: Write the proportion equation
4,288,604.47 : 5,918,367.77 = 2,354,946.55 : x - Step 2: Convert to fraction form
4,288,604.47/5,918,367.77 = 2,354,946.55/x - Step 3: Cross multiply
4,288,604.47x = 5,918,367.77 × 2,354,946.55 - Step 4: Simplify right side
4,288,604.47x = 13,937,439,743,853.09 - Step 5: Solve for x
x = 13,937,439,743,853.09/4,288,604.47 - Step 6: Final answer
x = 3,249,877.63
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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.