Finding the Fourth Proportional to 2,888,889.16, 3,986,276.07 and 1,599,696.40
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Solution
The fourth proportional to 2,888,889.16, 3,986,276.07 and 1,599,696.40 is: 2,207,364.54
Step by Step Solution
- Step 1: Write the proportion equation
2,888,889.16 : 3,986,276.07 = 1,599,696.40 : x - Step 2: Convert to fraction form
2,888,889.16/3,986,276.07 = 1,599,696.40/x - Step 3: Cross multiply
2,888,889.16x = 3,986,276.07 × 1,599,696.40 - Step 4: Simplify right side
2,888,889.16x = 6,376,831,478,585.15 - Step 5: Solve for x
x = 6,376,831,478,585.15/2,888,889.16 - Step 6: Final answer
x = 2,207,364.54
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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.