Finding the Fourth Proportional to 6,615,181.67, 9,908,305.48 and 4,690,258.08
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Solution
The fourth proportional to 6,615,181.67, 9,908,305.48 and 4,690,258.08 is: 7,025,129.79
Step by Step Solution
- Step 1: Write the proportion equation
6,615,181.67 : 9,908,305.48 = 4,690,258.08 : x - Step 2: Convert to fraction form
6,615,181.67/9,908,305.48 = 4,690,258.08/x - Step 3: Cross multiply
6,615,181.67x = 9,908,305.48 × 4,690,258.08 - Step 4: Simplify right side
6,615,181.67x = 46,472,509,805,384.95 - Step 5: Solve for x
x = 46,472,509,805,384.95/6,615,181.67 - Step 6: Final answer
x = 7,025,129.79
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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.