Finding the Fourth Proportional to 2,259,343.98, 3,117,914.91 and 1,240,756.02
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Solution
The fourth proportional to 2,259,343.98, 3,117,914.91 and 1,240,756.02 is: 1,712,254.41
Step by Step Solution
- Step 1: Write the proportion equation
2,259,343.98 : 3,117,914.91 = 1,240,756.02 : x - Step 2: Convert to fraction form
2,259,343.98/3,117,914.91 = 1,240,756.02/x - Step 3: Cross multiply
2,259,343.98x = 3,117,914.91 × 1,240,756.02 - Step 4: Simplify right side
2,259,343.98x = 3,868,571,694,430.26 - Step 5: Solve for x
x = 3,868,571,694,430.26/2,259,343.98 - Step 6: Final answer
x = 1,712,254.41
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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.