Finding the Fourth Proportional to 2,135,454.84, 2,950,128.54 and 1,402,148.88
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Solution
The fourth proportional to 2,135,454.84, 2,950,128.54 and 1,402,148.88 is: 1,937,067.15
Step by Step Solution
- Step 1: Write the proportion equation
2,135,454.84 : 2,950,128.54 = 1,402,148.88 : x - Step 2: Convert to fraction form
2,135,454.84/2,950,128.54 = 1,402,148.88/x - Step 3: Cross multiply
2,135,454.84x = 2,950,128.54 × 1,402,148.88 - Step 4: Simplify right side
2,135,454.84x = 4,136,519,428,217.04 - Step 5: Solve for x
x = 4,136,519,428,217.04/2,135,454.84 - Step 6: Final answer
x = 1,937,067.15
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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.