Finding the Fourth Proportional to 1,636,730.24, 2,453,520.67 and 838,387.76
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Solution
The fourth proportional to 1,636,730.24, 2,453,520.67 and 838,387.76 is: 1,256,775.03
Step by Step Solution
- Step 1: Write the proportion equation
1,636,730.24 : 2,453,520.67 = 838,387.76 : x - Step 2: Convert to fraction form
1,636,730.24/2,453,520.67 = 838,387.76/x - Step 3: Cross multiply
1,636,730.24x = 2,453,520.67 × 838,387.76 - Step 4: Simplify right side
1,636,730.24x = 2,057,001,684,271.43 - Step 5: Solve for x
x = 2,057,001,684,271.43/1,636,730.24 - Step 6: Final answer
x = 1,256,775.03
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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.