Finding the Fourth Proportional to 6,151,201.70, 9,226,802.55 and 1,891,363.10
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Solution
The fourth proportional to 6,151,201.70, 9,226,802.55 and 1,891,363.10 is: 2,837,044.65
Step by Step Solution
- Step 1: Write the proportion equation
6,151,201.70 : 9,226,802.55 = 1,891,363.10 : x - Step 2: Convert to fraction form
6,151,201.70/9,226,802.55 = 1,891,363.10/x - Step 3: Cross multiply
6,151,201.70x = 9,226,802.55 × 1,891,363.10 - Step 4: Simplify right side
6,151,201.70x = 17,451,233,874,055.91 - Step 5: Solve for x
x = 17,451,233,874,055.91/6,151,201.70 - Step 6: Final answer
x = 2,837,044.65
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Double scale
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Similar ratio
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1.5x scale
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.