Finding the Fourth Proportional to 1,920,795.44, 2,650,696.80 and 1,061,348.18
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Solution
The fourth proportional to 1,920,795.44, 2,650,696.80 and 1,061,348.18 is: 1,464,659.99
Step by Step Solution
- Step 1: Write the proportion equation
1,920,795.44 : 2,650,696.80 = 1,061,348.18 : x - Step 2: Convert to fraction form
1,920,795.44/2,650,696.80 = 1,061,348.18/x - Step 3: Cross multiply
1,920,795.44x = 2,650,696.80 × 1,061,348.18 - Step 4: Simplify right side
1,920,795.44x = 2,813,312,224,411.82 - Step 5: Solve for x
x = 2,813,312,224,411.82/1,920,795.44 - Step 6: Final answer
x = 1,464,659.99
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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.