Finding the Fourth Proportional to 2,243,421.48, 3,095,905.62 and 1,224,826.20
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Solution
The fourth proportional to 2,243,421.48, 3,095,905.62 and 1,224,826.20 is: 1,690,251.41
Step by Step Solution
- Step 1: Write the proportion equation
2,243,421.48 : 3,095,905.62 = 1,224,826.20 : x - Step 2: Convert to fraction form
2,243,421.48/3,095,905.62 = 1,224,826.20/x - Step 3: Cross multiply
2,243,421.48x = 3,095,905.62 × 1,224,826.20 - Step 4: Simplify right side
2,243,421.48x = 3,791,946,316,103.24 - Step 5: Solve for x
x = 3,791,946,316,103.24/2,243,421.48 - Step 6: Final answer
x = 1,690,251.41
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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.