Finding the Fourth Proportional to 6,506,863.59, 8,977,419.77 and 3,753,181.92
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Solution
The fourth proportional to 6,506,863.59, 8,977,419.77 and 3,753,181.92 is: 5,178,207.45
Step by Step Solution
- Step 1: Write the proportion equation
6,506,863.59 : 8,977,419.77 = 3,753,181.92 : x - Step 2: Convert to fraction form
6,506,863.59/8,977,419.77 = 3,753,181.92/x - Step 3: Cross multiply
6,506,863.59x = 8,977,419.77 × 3,753,181.92 - Step 4: Simplify right side
6,506,863.59x = 33,693,889,550,248.65 - Step 5: Solve for x
x = 33,693,889,550,248.65/6,506,863.59 - Step 6: Final answer
x = 5,178,207.45
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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.