Finding the Fourth Proportional to 1,817,744.70, 2,507,565.81 and 1,387,277.49
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Solution
The fourth proportional to 1,817,744.70, 2,507,565.81 and 1,387,277.49 is: 1,913,739.37
Step by Step Solution
- Step 1: Write the proportion equation
1,817,744.70 : 2,507,565.81 = 1,387,277.49 : x - Step 2: Convert to fraction form
1,817,744.70/2,507,565.81 = 1,387,277.49/x - Step 3: Cross multiply
1,817,744.70x = 2,507,565.81 × 1,387,277.49 - Step 4: Simplify right side
1,817,744.70x = 3,478,689,602,906.62 - Step 5: Solve for x
x = 3,478,689,602,906.62/1,817,744.70 - Step 6: Final answer
x = 1,913,739.37
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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.