Finding the Fourth Proportional to 2,177,526.15, 3,263,868.95 and 1,643,314.95
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Solution
The fourth proportional to 2,177,526.15, 3,263,868.95 and 1,643,314.95 is: 2,463,145.91
Step by Step Solution
- Step 1: Write the proportion equation
2,177,526.15 : 3,263,868.95 = 1,643,314.95 : x - Step 2: Convert to fraction form
2,177,526.15/3,263,868.95 = 1,643,314.95/x - Step 3: Cross multiply
2,177,526.15x = 3,263,868.95 × 1,643,314.95 - Step 4: Simplify right side
2,177,526.15x = 5,363,564,632,159.23 - Step 5: Solve for x
x = 5,363,564,632,159.23/2,177,526.15 - Step 6: Final answer
x = 2,463,145.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.