Finding the Fourth Proportional to 2,866,740.21, 3,956,102.10 and 1,577,580.57
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Solution
The fourth proportional to 2,866,740.21, 3,956,102.10 and 1,577,580.57 is: 2,177,061.52
Step by Step Solution
- Step 1: Write the proportion equation
2,866,740.21 : 3,956,102.10 = 1,577,580.57 : x - Step 2: Convert to fraction form
2,866,740.21/3,956,102.10 = 1,577,580.57/x - Step 3: Cross multiply
2,866,740.21x = 3,956,102.10 × 1,577,580.57 - Step 4: Simplify right side
2,866,740.21x = 6,241,069,805,896.20 - Step 5: Solve for x
x = 6,241,069,805,896.20/2,866,740.21 - Step 6: Final answer
x = 2,177,061.52
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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.