Finding the Fourth Proportional to 2,819,146.08, 3,890,423.52 and 1,529,986.08
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Solution
The fourth proportional to 2,819,146.08, 3,890,423.52 and 1,529,986.08 is: 2,111,381.84
Step by Step Solution
- Step 1: Write the proportion equation
2,819,146.08 : 3,890,423.52 = 1,529,986.08 : x - Step 2: Convert to fraction form
2,819,146.08/3,890,423.52 = 1,529,986.08/x - Step 3: Cross multiply
2,819,146.08x = 3,890,423.52 × 1,529,986.08 - Step 4: Simplify right side
2,819,146.08x = 5,952,293,830,904.60 - Step 5: Solve for x
x = 5,952,293,830,904.60/2,819,146.08 - Step 6: Final answer
x = 2,111,381.84
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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.