Finding the Fourth Proportional to 2,169,928.08, 2,994,597.96 and 1,239,717.17
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Solution
The fourth proportional to 2,169,928.08, 2,994,597.96 and 1,239,717.17 is: 1,710,865.23
Step by Step Solution
- Step 1: Write the proportion equation
2,169,928.08 : 2,994,597.96 = 1,239,717.17 : x - Step 2: Convert to fraction form
2,169,928.08/2,994,597.96 = 1,239,717.17/x - Step 3: Cross multiply
2,169,928.08x = 2,994,597.96 × 1,239,717.17 - Step 4: Simplify right side
2,169,928.08x = 3,712,454,493,285.98 - Step 5: Solve for x
x = 3,712,454,493,285.98/2,169,928.08 - Step 6: Final answer
x = 1,710,865.23
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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.