Finding the Fourth Proportional to 1,839,810.12, 2,538,622.08 and 1,690,987.92
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Solution
The fourth proportional to 1,839,810.12, 2,538,622.08 and 1,690,987.92 is: 2,333,273.00
Step by Step Solution
- Step 1: Write the proportion equation
1,839,810.12 : 2,538,622.08 = 1,690,987.92 : x - Step 2: Convert to fraction form
1,839,810.12/2,538,622.08 = 1,690,987.92/x - Step 3: Cross multiply
1,839,810.12x = 2,538,622.08 × 1,690,987.92 - Step 4: Simplify right side
1,839,810.12x = 4,292,779,270,725.27 - Step 5: Solve for x
x = 4,292,779,270,725.27/1,839,810.12 - Step 6: Final answer
x = 2,333,273.00
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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.