Finding the Fourth Proportional to 1,680,886.42, 2,319,732.88 and 955,801.62
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Solution
The fourth proportional to 1,680,886.42, 2,319,732.88 and 955,801.62 is: 1,319,068.57
Step by Step Solution
- Step 1: Write the proportion equation
1,680,886.42 : 2,319,732.88 = 955,801.62 : x - Step 2: Convert to fraction form
1,680,886.42/2,319,732.88 = 955,801.62/x - Step 3: Cross multiply
1,680,886.42x = 2,319,732.88 × 955,801.62 - Step 4: Simplify right side
1,680,886.42x = 2,217,204,442,281.76 - Step 5: Solve for x
x = 2,217,204,442,281.76/1,680,886.42 - Step 6: Final answer
x = 1,319,068.57
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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.