Finding the Fourth Proportional to 2,587,843.13, 3,571,237.68 and 1,500,759.23
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Solution
The fourth proportional to 2,587,843.13, 3,571,237.68 and 1,500,759.23 is: 2,071,055.95
Step by Step Solution
- Step 1: Write the proportion equation
2,587,843.13 : 3,571,237.68 = 1,500,759.23 : x - Step 2: Convert to fraction form
2,587,843.13/3,571,237.68 = 1,500,759.23/x - Step 3: Cross multiply
2,587,843.13x = 3,571,237.68 × 1,500,759.23 - Step 4: Simplify right side
2,587,843.13x = 5,359,567,903,279.99 - Step 5: Solve for x
x = 5,359,567,903,279.99/2,587,843.13 - Step 6: Final answer
x = 2,071,055.95
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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.