Finding the Fourth Proportional to 2,400,694.74, 3,316,193.76 and 1,920,691.98
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Solution
The fourth proportional to 2,400,694.74, 3,316,193.76 and 1,920,691.98 is: 2,653,143.13
Step by Step Solution
- Step 1: Write the proportion equation
2,400,694.74 : 3,316,193.76 = 1,920,691.98 : x - Step 2: Convert to fraction form
2,400,694.74/3,316,193.76 = 1,920,691.98/x - Step 3: Cross multiply
2,400,694.74x = 3,316,193.76 × 1,920,691.98 - Step 4: Simplify right side
2,400,694.74x = 6,369,386,758,958.04 - Step 5: Solve for x
x = 6,369,386,758,958.04/2,400,694.74 - Step 6: Final answer
x = 2,653,143.13
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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.