Finding the Fourth Proportional to 2,889,624.84, 3,987,746.71 and 1,649,210.29
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Solution
The fourth proportional to 2,889,624.84, 3,987,746.71 and 1,649,210.29 is: 2,275,946.98
Step by Step Solution
- Step 1: Write the proportion equation
2,889,624.84 : 3,987,746.71 = 1,649,210.29 : x - Step 2: Convert to fraction form
2,889,624.84/3,987,746.71 = 1,649,210.29/x - Step 3: Cross multiply
2,889,624.84x = 3,987,746.71 × 1,649,210.29 - Step 4: Simplify right side
2,889,624.84x = 6,576,632,922,418.77 - Step 5: Solve for x
x = 6,576,632,922,418.77/2,889,624.84 - Step 6: Final answer
x = 2,275,946.98
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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.