Finding the Fourth Proportional to 3,151,364.16, 4,348,823.49 and 1,927,579.79
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Solution
The fourth proportional to 3,151,364.16, 4,348,823.49 and 1,927,579.79 is: 2,660,023.98
Step by Step Solution
- Step 1: Write the proportion equation
3,151,364.16 : 4,348,823.49 = 1,927,579.79 : x - Step 2: Convert to fraction form
3,151,364.16/4,348,823.49 = 1,927,579.79/x - Step 3: Cross multiply
3,151,364.16x = 4,348,823.49 × 1,927,579.79 - Step 4: Simplify right side
3,151,364.16x = 8,382,704,256,705.63 - Step 5: Solve for x
x = 8,382,704,256,705.63/3,151,364.16 - Step 6: Final answer
x = 2,660,023.98
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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.