Finding the Fourth Proportional to 6,615,719.88, 9,921,787.70 and 1,822,269.08
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Solution
The fourth proportional to 6,615,719.88, 9,921,787.70 and 1,822,269.08 is: 2,732,909.98
Step by Step Solution
- Step 1: Write the proportion equation
6,615,719.88 : 9,921,787.70 = 1,822,269.08 : x - Step 2: Convert to fraction form
6,615,719.88/9,921,787.70 = 1,822,269.08/x - Step 3: Cross multiply
6,615,719.88x = 9,921,787.70 × 1,822,269.08 - Step 4: Simplify right side
6,615,719.88x = 18,080,166,885,314.03 - Step 5: Solve for x
x = 18,080,166,885,314.03/6,615,719.88 - Step 6: Final answer
x = 2,732,909.98
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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.