Finding the Fourth Proportional to 2,301,194.29, 3,174,331.32 and 1,440,259.87
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Solution
The fourth proportional to 2,301,194.29, 3,174,331.32 and 1,440,259.87 is: 1,986,734.47
Step by Step Solution
- Step 1: Write the proportion equation
2,301,194.29 : 3,174,331.32 = 1,440,259.87 : x - Step 2: Convert to fraction form
2,301,194.29/3,174,331.32 = 1,440,259.87/x - Step 3: Cross multiply
2,301,194.29x = 3,174,331.32 × 1,440,259.87 - Step 4: Simplify right side
2,301,194.29x = 4,571,862,014,280.13 - Step 5: Solve for x
x = 4,571,862,014,280.13/2,301,194.29 - Step 6: Final answer
x = 1,986,734.47
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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.