Finding the Fourth Proportional to 3,921,182.79, 5,881,778.80 and 1,225,522.12
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Solution
The fourth proportional to 3,921,182.79, 5,881,778.80 and 1,225,522.12 is: 1,838,284.62
Step by Step Solution
- Step 1: Write the proportion equation
3,921,182.79 : 5,881,778.80 = 1,225,522.12 : x - Step 2: Convert to fraction form
3,921,182.79/5,881,778.80 = 1,225,522.12/x - Step 3: Cross multiply
3,921,182.79x = 5,881,778.80 × 1,225,522.12 - Step 4: Simplify right side
3,921,182.79x = 7,208,250,024,347.06 - Step 5: Solve for x
x = 7,208,250,024,347.06/3,921,182.79 - Step 6: Final answer
x = 1,838,284.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.