Finding the Fourth Proportional to 2,081,756.99, 2,873,617.41 and 1,356,781.07
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Solution
The fourth proportional to 2,081,756.99, 2,873,617.41 and 1,356,781.07 is: 1,872,874.56
Step by Step Solution
- Step 1: Write the proportion equation
2,081,756.99 : 2,873,617.41 = 1,356,781.07 : x - Step 2: Convert to fraction form
2,081,756.99/2,873,617.41 = 1,356,781.07/x - Step 3: Cross multiply
2,081,756.99x = 2,873,617.41 × 1,356,781.07 - Step 4: Simplify right side
2,081,756.99x = 3,898,869,689,942.34 - Step 5: Solve for x
x = 3,898,869,689,942.34/2,081,756.99 - Step 6: Final answer
x = 1,872,874.56
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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.