Finding the Fourth Proportional to 2,119,437.20, 2,924,842.92 and 1,152,576.68
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Solution
The fourth proportional to 2,119,437.20, 2,924,842.92 and 1,152,576.68 is: 1,590,566.47
Step by Step Solution
- Step 1: Write the proportion equation
2,119,437.20 : 2,924,842.92 = 1,152,576.68 : x - Step 2: Convert to fraction form
2,119,437.20/2,924,842.92 = 1,152,576.68/x - Step 3: Cross multiply
2,119,437.20x = 2,924,842.92 × 1,152,576.68 - Step 4: Simplify right side
2,119,437.20x = 3,371,105,742,255.11 - Step 5: Solve for x
x = 3,371,105,742,255.11/2,119,437.20 - Step 6: Final answer
x = 1,590,566.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.