Finding the Fourth Proportional to 2,526,851.23, 3,487,055.10 and 1,439,224.09
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Solution
The fourth proportional to 2,526,851.23, 3,487,055.10 and 1,439,224.09 is: 1,986,129.47
Step by Step Solution
- Step 1: Write the proportion equation
2,526,851.23 : 3,487,055.10 = 1,439,224.09 : x - Step 2: Convert to fraction form
2,526,851.23/3,487,055.10 = 1,439,224.09/x - Step 3: Cross multiply
2,526,851.23x = 3,487,055.10 × 1,439,224.09 - Step 4: Simplify right side
2,526,851.23x = 5,018,653,703,077.36 - Step 5: Solve for x
x = 5,018,653,703,077.36/2,526,851.23 - Step 6: Final answer
x = 1,986,129.47
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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.