Finding the Fourth Proportional to 2,931,935.68, 4,046,068.42 and 1,642,785.31
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Solution
The fourth proportional to 2,931,935.68, 4,046,068.42 and 1,642,785.31 is: 2,267,042.15
Step by Step Solution
- Step 1: Write the proportion equation
2,931,935.68 : 4,046,068.42 = 1,642,785.31 : x - Step 2: Convert to fraction form
2,931,935.68/4,046,068.42 = 1,642,785.31/x - Step 3: Cross multiply
2,931,935.68x = 4,046,068.42 × 1,642,785.31 - Step 4: Simplify right side
2,931,935.68x = 6,646,821,763,630.91 - Step 5: Solve for x
x = 6,646,821,763,630.91/2,931,935.68 - Step 6: Final answer
x = 2,267,042.15
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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.