Finding the Fourth Proportional to 1,432,342.18, 2,148,482.05 and 673,763.17
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Solution
The fourth proportional to 1,432,342.18, 2,148,482.05 and 673,763.17 is: 1,010,630.07
Step by Step Solution
- Step 1: Write the proportion equation
1,432,342.18 : 2,148,482.05 = 673,763.17 : x - Step 2: Convert to fraction form
1,432,342.18/2,148,482.05 = 673,763.17/x - Step 3: Cross multiply
1,432,342.18x = 2,148,482.05 × 673,763.17 - Step 4: Simplify right side
1,432,342.18x = 1,447,568,076,696.10 - Step 5: Solve for x
x = 1,447,568,076,696.10/1,432,342.18 - Step 6: Final answer
x = 1,010,630.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.