Finding the Fourth Proportional to 1,381,468.19, 2,070,461.79 and 740,181.47
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Solution
The fourth proportional to 1,381,468.19, 2,070,461.79 and 740,181.47 is: 1,109,339.66
Step by Step Solution
- Step 1: Write the proportion equation
1,381,468.19 : 2,070,461.79 = 740,181.47 : x - Step 2: Convert to fraction form
1,381,468.19/2,070,461.79 = 740,181.47/x - Step 3: Cross multiply
1,381,468.19x = 2,070,461.79 × 740,181.47 - Step 4: Simplify right side
1,381,468.19x = 1,532,517,440,948.72 - Step 5: Solve for x
x = 1,532,517,440,948.72/1,381,468.19 - Step 6: Final answer
x = 1,109,339.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.