Finding the Fourth Proportional to 1,569,445.51, 2,165,685.18 and 880,959.70
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Solution
The fourth proportional to 1,569,445.51, 2,165,685.18 and 880,959.70 is: 1,215,640.40
Step by Step Solution
- Step 1: Write the proportion equation
1,569,445.51 : 2,165,685.18 = 880,959.70 : x - Step 2: Convert to fraction form
1,569,445.51/2,165,685.18 = 880,959.70/x - Step 3: Cross multiply
1,569,445.51x = 2,165,685.18 × 880,959.70 - Step 4: Simplify right side
1,569,445.51x = 1,907,881,366,467.25 - Step 5: Solve for x
x = 1,907,881,366,467.25/1,569,445.51 - Step 6: Final answer
x = 1,215,640.40
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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.