Finding the Fourth Proportional to 1,994,787.84, 2,990,186.56 and 715,047.36
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Solution
The fourth proportional to 1,994,787.84, 2,990,186.56 and 715,047.36 is: 1,071,855.84
Step by Step Solution
- Step 1: Write the proportion equation
1,994,787.84 : 2,990,186.56 = 715,047.36 : x - Step 2: Convert to fraction form
1,994,787.84/2,990,186.56 = 715,047.36/x - Step 3: Cross multiply
1,994,787.84x = 2,990,186.56 × 715,047.36 - Step 4: Simplify right side
1,994,787.84x = 2,138,125,005,635.48 - Step 5: Solve for x
x = 2,138,125,005,635.48/1,994,787.84 - Step 6: Final answer
x = 1,071,855.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.