Finding the Fourth Proportional to 2,802,709.79, 3,867,739.47 and 1,513,550.14
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Solution
The fourth proportional to 2,802,709.79, 3,867,739.47 and 1,513,550.14 is: 2,088,699.17
Step by Step Solution
- Step 1: Write the proportion equation
2,802,709.79 : 3,867,739.47 = 1,513,550.14 : x - Step 2: Convert to fraction form
2,802,709.79/3,867,739.47 = 1,513,550.14/x - Step 3: Cross multiply
2,802,709.79x = 3,867,739.47 × 1,513,550.14 - Step 4: Simplify right side
2,802,709.79x = 5,854,017,606,632.68 - Step 5: Solve for x
x = 5,854,017,606,632.68/2,802,709.79 - Step 6: Final answer
x = 2,088,699.17
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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.