Finding the Fourth Proportional to 4,526,400.30, 6,246,307.53 and 2,489,209.80
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Solution
The fourth proportional to 4,526,400.30, 6,246,307.53 and 2,489,209.80 is: 3,435,040.85
Step by Step Solution
- Step 1: Write the proportion equation
4,526,400.30 : 6,246,307.53 = 2,489,209.80 : x - Step 2: Convert to fraction form
4,526,400.30/6,246,307.53 = 2,489,209.80/x - Step 3: Cross multiply
4,526,400.30x = 6,246,307.53 × 2,489,209.80 - Step 4: Simplify right side
4,526,400.30x = 15,548,369,917,489.79 - Step 5: Solve for x
x = 15,548,369,917,489.79/4,526,400.30 - Step 6: Final answer
x = 3,435,040.85
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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.