Finding the Fourth Proportional to 2,948,772.20, 4,069,436.56 and 1,659,696.08
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Solution
The fourth proportional to 2,948,772.20, 4,069,436.56 and 1,659,696.08 is: 2,290,454.28
Step by Step Solution
- Step 1: Write the proportion equation
2,948,772.20 : 4,069,436.56 = 1,659,696.08 : x - Step 2: Convert to fraction form
2,948,772.20/4,069,436.56 = 1,659,696.08/x - Step 3: Cross multiply
2,948,772.20x = 4,069,436.56 × 1,659,696.08 - Step 4: Simplify right side
2,948,772.20x = 6,754,027,881,944.26 - Step 5: Solve for x
x = 6,754,027,881,944.26/2,948,772.20 - Step 6: Final answer
x = 2,290,454.28
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1.5x scale
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.