Finding the Fourth Proportional to 2,154,256.44, 2,972,699.10 and 1,248,896.76
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Solution
The fourth proportional to 2,154,256.44, 2,972,699.10 and 1,248,896.76 is: 1,723,376.20
Step by Step Solution
- Step 1: Write the proportion equation
2,154,256.44 : 2,972,699.10 = 1,248,896.76 : x - Step 2: Convert to fraction form
2,154,256.44/2,972,699.10 = 1,248,896.76/x - Step 3: Cross multiply
2,154,256.44x = 2,972,699.10 × 1,248,896.76 - Step 4: Simplify right side
2,154,256.44x = 3,712,594,274,444.92 - Step 5: Solve for x
x = 3,712,594,274,444.92/2,154,256.44 - Step 6: Final answer
x = 1,723,376.20
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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.