Finding the Fourth Proportional to 2,879,913.76, 3,974,204.86 and 1,590,726.48
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Solution
The fourth proportional to 2,879,913.76, 3,974,204.86 and 1,590,726.48 is: 2,195,160.49
Step by Step Solution
- Step 1: Write the proportion equation
2,879,913.76 : 3,974,204.86 = 1,590,726.48 : x - Step 2: Convert to fraction form
2,879,913.76/3,974,204.86 = 1,590,726.48/x - Step 3: Cross multiply
2,879,913.76x = 3,974,204.86 × 1,590,726.48 - Step 4: Simplify right side
2,879,913.76x = 6,321,872,907,746.69 - Step 5: Solve for x
x = 6,321,872,907,746.69/2,879,913.76 - Step 6: Final answer
x = 2,195,160.49
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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.