Finding the Fourth Proportional to 2,421,480.68, 3,341,643.18 and 1,403,475.92
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Solution
The fourth proportional to 2,421,480.68, 3,341,643.18 and 1,403,475.92 is: 1,936,796.68
Step by Step Solution
- Step 1: Write the proportion equation
2,421,480.68 : 3,341,643.18 = 1,403,475.92 : x - Step 2: Convert to fraction form
2,421,480.68/3,341,643.18 = 1,403,475.92/x - Step 3: Cross multiply
2,421,480.68x = 3,341,643.18 × 1,403,475.92 - Step 4: Simplify right side
2,421,480.68x = 4,689,915,736,362.23 - Step 5: Solve for x
x = 4,689,915,736,362.23/2,421,480.68 - Step 6: Final answer
x = 1,936,796.68
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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.