Finding the Fourth Proportional to 2,840,878.60, 3,920,386.50 and 1,551,718.60
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Solution
The fourth proportional to 2,840,878.60, 3,920,386.50 and 1,551,718.60 is: 2,141,357.48
Step by Step Solution
- Step 1: Write the proportion equation
2,840,878.60 : 3,920,386.50 = 1,551,718.60 : x - Step 2: Convert to fraction form
2,840,878.60/3,920,386.50 = 1,551,718.60/x - Step 3: Cross multiply
2,840,878.60x = 3,920,386.50 × 1,551,718.60 - Step 4: Simplify right side
2,840,878.60x = 6,083,336,651,238.90 - Step 5: Solve for x
x = 6,083,336,651,238.90/2,840,878.60 - Step 6: Final answer
x = 2,141,357.48
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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.