Finding the Fourth Proportional to 5,189,164.83, 7,783,774.95 and 3,403,356.99
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Solution
The fourth proportional to 5,189,164.83, 7,783,774.95 and 3,403,356.99 is: 5,105,053.65
Step by Step Solution
- Step 1: Write the proportion equation
5,189,164.83 : 7,783,774.95 = 3,403,356.99 : x - Step 2: Convert to fraction form
5,189,164.83/7,783,774.95 = 3,403,356.99/x - Step 3: Cross multiply
5,189,164.83x = 7,783,774.95 × 3,403,356.99 - Step 4: Simplify right side
5,189,164.83x = 26,490,964,868,242.84 - Step 5: Solve for x
x = 26,490,964,868,242.84/5,189,164.83 - Step 6: Final answer
x = 5,105,053.65
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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.