Finding the Fourth Proportional to 3,465,055.21, 4,781,244.97 and 1,994,679.53
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Solution
The fourth proportional to 3,465,055.21, 4,781,244.97 and 1,994,679.53 is: 2,752,351.95
Step by Step Solution
- Step 1: Write the proportion equation
3,465,055.21 : 4,781,244.97 = 1,994,679.53 : x - Step 2: Convert to fraction form
3,465,055.21/4,781,244.97 = 1,994,679.53/x - Step 3: Cross multiply
3,465,055.21x = 4,781,244.97 × 1,994,679.53 - Step 4: Simplify right side
3,465,055.21x = 9,537,051,475,041.82 - Step 5: Solve for x
x = 9,537,051,475,041.82/3,465,055.21 - Step 6: Final answer
x = 2,752,351.95
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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.