Finding the Fourth Proportional to 1,888,551.70, 2,606,204.66 and 1,029,111.94
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Solution
The fourth proportional to 1,888,551.70, 2,606,204.66 and 1,029,111.94 is: 1,420,176.28
Step by Step Solution
- Step 1: Write the proportion equation
1,888,551.70 : 2,606,204.66 = 1,029,111.94 : x - Step 2: Convert to fraction form
1,888,551.70/2,606,204.66 = 1,029,111.94/x - Step 3: Cross multiply
1,888,551.70x = 2,606,204.66 × 1,029,111.94 - Step 4: Simplify right side
1,888,551.70x = 2,682,076,333,689.64 - Step 5: Solve for x
x = 2,682,076,333,689.64/1,888,551.70 - Step 6: Final answer
x = 1,420,176.28
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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.