Finding the Fourth Proportional to 2,937,129.98, 4,053,309.26 and 1,648,065.70
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Solution
The fourth proportional to 2,937,129.98, 4,053,309.26 and 1,648,065.70 is: 2,274,369.88
Step by Step Solution
- Step 1: Write the proportion equation
2,937,129.98 : 4,053,309.26 = 1,648,065.70 : x - Step 2: Convert to fraction form
2,937,129.98/4,053,309.26 = 1,648,065.70/x - Step 3: Cross multiply
2,937,129.98x = 4,053,309.26 × 1,648,065.70 - Step 4: Simplify right side
2,937,129.98x = 6,680,119,959,724.69 - Step 5: Solve for x
x = 6,680,119,959,724.69/2,937,129.98 - Step 6: Final answer
x = 2,274,369.88
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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.