Finding the Fourth Proportional to 6,277,505.28, 9,416,345.34 and 1,789,781.28
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Solution
The fourth proportional to 6,277,505.28, 9,416,345.34 and 1,789,781.28 is: 2,684,696.84
Step by Step Solution
- Step 1: Write the proportion equation
6,277,505.28 : 9,416,345.34 = 1,789,781.28 : x - Step 2: Convert to fraction form
6,277,505.28/9,416,345.34 = 1,789,781.28/x - Step 3: Cross multiply
6,277,505.28x = 9,416,345.34 × 1,789,781.28 - Step 4: Simplify right side
6,277,505.28x = 16,853,198,615,547.23 - Step 5: Solve for x
x = 16,853,198,615,547.23/6,277,505.28 - Step 6: Final answer
x = 2,684,696.84
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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.