Finding the Fourth Proportional to 1,816,017.92, 2,506,081.20 and 1,000,206.08
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Solution
The fourth proportional to 1,816,017.92, 2,506,081.20 and 1,000,206.08 is: 1,380,271.43
Step by Step Solution
- Step 1: Write the proportion equation
1,816,017.92 : 2,506,081.20 = 1,000,206.08 : x - Step 2: Convert to fraction form
1,816,017.92/2,506,081.20 = 1,000,206.08/x - Step 3: Cross multiply
1,816,017.92x = 2,506,081.20 × 1,000,206.08 - Step 4: Simplify right side
1,816,017.92x = 2,506,597,653,213.70 - Step 5: Solve for x
x = 2,506,597,653,213.70/1,816,017.92 - Step 6: Final answer
x = 1,380,271.43
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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.