Finding the Fourth Proportional to 2,559,878.23, 3,532,643.99 and 1,398,340.62
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Solution
The fourth proportional to 2,559,878.23, 3,532,643.99 and 1,398,340.62 is: 1,929,716.63
Step by Step Solution
- Step 1: Write the proportion equation
2,559,878.23 : 3,532,643.99 = 1,398,340.62 : x - Step 2: Convert to fraction form
2,559,878.23/3,532,643.99 = 1,398,340.62/x - Step 3: Cross multiply
2,559,878.23x = 3,532,643.99 × 1,398,340.62 - Step 4: Simplify right side
2,559,878.23x = 4,939,839,587,215.87 - Step 5: Solve for x
x = 4,939,839,587,215.87/2,559,878.23 - Step 6: Final answer
x = 1,929,716.63
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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.