Finding the Fourth Proportional to 5,411,853.88, 7,465,526.90 and 3,346,209.15
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Solution
The fourth proportional to 5,411,853.88, 7,465,526.90 and 3,346,209.15 is: 4,616,017.90
Step by Step Solution
- Step 1: Write the proportion equation
5,411,853.88 : 7,465,526.90 = 3,346,209.15 : x - Step 2: Convert to fraction form
5,411,853.88/7,465,526.90 = 3,346,209.15/x - Step 3: Cross multiply
5,411,853.88x = 7,465,526.90 × 3,346,209.15 - Step 4: Simplify right side
5,411,853.88x = 24,981,214,382,254.81 - Step 5: Solve for x
x = 24,981,214,382,254.81/5,411,853.88 - Step 6: Final answer
x = 4,616,017.90
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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.