Finding the Fourth Proportional to 2,154,266.44, 2,972,712.88 and 1,248,906.76
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Solution
The fourth proportional to 2,154,266.44, 2,972,712.88 and 1,248,906.76 is: 1,723,389.99
Step by Step Solution
- Step 1: Write the proportion equation
2,154,266.44 : 2,972,712.88 = 1,248,906.76 : x - Step 2: Convert to fraction form
2,154,266.44/2,972,712.88 = 1,248,906.76/x - Step 3: Cross multiply
2,154,266.44x = 2,972,712.88 × 1,248,906.76 - Step 4: Simplify right side
2,154,266.44x = 3,712,641,211,371.07 - Step 5: Solve for x
x = 3,712,641,211,371.07/2,154,266.44 - Step 6: Final answer
x = 1,723,389.99
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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.