Finding the Fourth Proportional to 2,799,905.68, 4,201,488.54 and 1,180,572.94
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Solution
The fourth proportional to 2,799,905.68, 4,201,488.54 and 1,180,572.94 is: 1,771,546.70
Step by Step Solution
- Step 1: Write the proportion equation
2,799,905.68 : 4,201,488.54 = 1,180,572.94 : x - Step 2: Convert to fraction form
2,799,905.68/4,201,488.54 = 1,180,572.94/x - Step 3: Cross multiply
2,799,905.68x = 4,201,488.54 × 1,180,572.94 - Step 4: Simplify right side
2,799,905.68x = 4,960,163,678,044.11 - Step 5: Solve for x
x = 4,960,163,678,044.11/2,799,905.68 - Step 6: Final answer
x = 1,771,546.70
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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.