Finding the Fourth Proportional to 1,997,972.19, 2,757,145.64 and 1,092,534.75
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Solution
The fourth proportional to 1,997,972.19, 2,757,145.64 and 1,092,534.75 is: 1,507,667.34
Step by Step Solution
- Step 1: Write the proportion equation
1,997,972.19 : 2,757,145.64 = 1,092,534.75 : x - Step 2: Convert to fraction form
1,997,972.19/2,757,145.64 = 1,092,534.75/x - Step 3: Cross multiply
1,997,972.19x = 2,757,145.64 × 1,092,534.75 - Step 4: Simplify right side
1,997,972.19x = 3,012,277,417,048.32 - Step 5: Solve for x
x = 3,012,277,417,048.32/1,997,972.19 - Step 6: Final answer
x = 1,507,667.34
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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.