Finding the Fourth Proportional to 3,953,946.60, 5,456,387.14 and 2,235,006.60
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Solution
The fourth proportional to 3,953,946.60, 5,456,387.14 and 2,235,006.60 is: 3,084,275.66
Step by Step Solution
- Step 1: Write the proportion equation
3,953,946.60 : 5,456,387.14 = 2,235,006.60 : x - Step 2: Convert to fraction form
3,953,946.60/5,456,387.14 = 2,235,006.60/x - Step 3: Cross multiply
3,953,946.60x = 5,456,387.14 × 2,235,006.60 - Step 4: Simplify right side
3,953,946.60x = 12,195,061,270,055.12 - Step 5: Solve for x
x = 12,195,061,270,055.12/3,953,946.60 - Step 6: Final answer
x = 3,084,275.66
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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.