Finding the Fourth Proportional to 2,840,859.88, 3,920,363.34 and 1,551,701.08
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Solution
The fourth proportional to 2,840,859.88, 3,920,363.34 and 1,551,701.08 is: 2,141,334.77
Step by Step Solution
- Step 1: Write the proportion equation
2,840,859.88 : 3,920,363.34 = 1,551,701.08 : x - Step 2: Convert to fraction form
2,840,859.88/3,920,363.34 = 1,551,701.08/x - Step 3: Cross multiply
2,840,859.88x = 3,920,363.34 × 1,551,701.08 - Step 4: Simplify right side
2,840,859.88x = 6,083,232,028,670.41 - Step 5: Solve for x
x = 6,083,232,028,670.41/2,840,859.88 - Step 6: Final answer
x = 2,141,334.77
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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.