Finding the Fourth Proportional to 2,509,243.80, 3,462,643.58 and 1,421,493.18
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Solution
The fourth proportional to 2,509,243.80, 3,462,643.58 and 1,421,493.18 is: 1,961,596.65
Step by Step Solution
- Step 1: Write the proportion equation
2,509,243.80 : 3,462,643.58 = 1,421,493.18 : x - Step 2: Convert to fraction form
2,509,243.80/3,462,643.58 = 1,421,493.18/x - Step 3: Cross multiply
2,509,243.80x = 3,462,643.58 × 1,421,493.18 - Step 4: Simplify right side
2,509,243.80x = 4,922,124,233,740.78 - Step 5: Solve for x
x = 4,922,124,233,740.78/2,509,243.80 - Step 6: Final answer
x = 1,961,596.65
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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.