Finding the Fourth Proportional to 2,272,871.55, 3,405,172.68 and 1,323,363.63
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Solution
The fourth proportional to 2,272,871.55, 3,405,172.68 and 1,323,363.63 is: 1,982,638.08
Step by Step Solution
- Step 1: Write the proportion equation
2,272,871.55 : 3,405,172.68 = 1,323,363.63 : x - Step 2: Convert to fraction form
2,272,871.55/3,405,172.68 = 1,323,363.63/x - Step 3: Cross multiply
2,272,871.55x = 3,405,172.68 × 1,323,363.63 - Step 4: Simplify right side
2,272,871.55x = 4,506,281,678,581.63 - Step 5: Solve for x
x = 4,506,281,678,581.63/2,272,871.55 - Step 6: Final answer
x = 1,982,638.08
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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.