Finding the Fourth Proportional to 1,587,024.01, 2,190,763.33 and 1,071,476.28
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Solution
The fourth proportional to 1,587,024.01, 2,190,763.33 and 1,071,476.28 is: 1,479,089.75
Step by Step Solution
- Step 1: Write the proportion equation
1,587,024.01 : 2,190,763.33 = 1,071,476.28 : x - Step 2: Convert to fraction form
1,587,024.01/2,190,763.33 = 1,071,476.28/x - Step 3: Cross multiply
1,587,024.01x = 2,190,763.33 × 1,071,476.28 - Step 4: Simplify right side
1,587,024.01x = 2,347,350,932,235.00 - Step 5: Solve for x
x = 2,347,350,932,235.00/1,587,024.01 - Step 6: Final answer
x = 1,479,089.75
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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.