Finding the Fourth Proportional to 2,402,289.11, 3,315,158.84 and 1,314,560.76
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Solution
The fourth proportional to 2,402,289.11, 3,315,158.84 and 1,314,560.76 is: 1,814,093.78
Step by Step Solution
- Step 1: Write the proportion equation
2,402,289.11 : 3,315,158.84 = 1,314,560.76 : x - Step 2: Convert to fraction form
2,402,289.11/3,315,158.84 = 1,314,560.76/x - Step 3: Cross multiply
2,402,289.11x = 3,315,158.84 × 1,314,560.76 - Step 4: Simplify right side
2,402,289.11x = 4,357,977,717,658.31 - Step 5: Solve for x
x = 4,357,977,717,658.31/2,402,289.11 - Step 6: Final answer
x = 1,814,093.78
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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.