Finding the Fourth Proportional to 1,440,511.18, 2,160,876.12 and 429,554.03
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Solution
The fourth proportional to 1,440,511.18, 2,160,876.12 and 429,554.03 is: 644,363.65
Step by Step Solution
- Step 1: Write the proportion equation
1,440,511.18 : 2,160,876.12 = 429,554.03 : x - Step 2: Convert to fraction form
1,440,511.18/2,160,876.12 = 429,554.03/x - Step 3: Cross multiply
1,440,511.18x = 2,160,876.12 × 429,554.03 - Step 4: Simplify right side
1,440,511.18x = 928,213,045,676.76 - Step 5: Solve for x
x = 928,213,045,676.76/1,440,511.18 - Step 6: Final answer
x = 644,363.65
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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.