Finding the Fourth Proportional to 2,106,420.96, 2,906,943.35 and 1,235,134.56
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Solution
The fourth proportional to 2,106,420.96, 2,906,943.35 and 1,235,134.56 is: 1,704,534.02
Step by Step Solution
- Step 1: Write the proportion equation
2,106,420.96 : 2,906,943.35 = 1,235,134.56 : x - Step 2: Convert to fraction form
2,106,420.96/2,906,943.35 = 1,235,134.56/x - Step 3: Cross multiply
2,106,420.96x = 2,906,943.35 × 1,235,134.56 - Step 4: Simplify right side
2,106,420.96x = 3,590,466,189,371.50 - Step 5: Solve for x
x = 3,590,466,189,371.50/2,106,420.96 - Step 6: Final answer
x = 1,704,534.02
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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.