Finding the Fourth Proportional to 1,888,793.93, 2,606,537.55 and 1,029,354.86
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Solution
The fourth proportional to 1,888,793.93, 2,606,537.55 and 1,029,354.86 is: 1,420,510.75
Step by Step Solution
- Step 1: Write the proportion equation
1,888,793.93 : 2,606,537.55 = 1,029,354.86 : x - Step 2: Convert to fraction form
1,888,793.93/2,606,537.55 = 1,029,354.86/x - Step 3: Cross multiply
1,888,793.93x = 2,606,537.55 × 1,029,354.86 - Step 4: Simplify right side
1,888,793.93x = 2,683,052,081,832.31 - Step 5: Solve for x
x = 2,683,052,081,832.31/1,888,793.93 - Step 6: Final answer
x = 1,420,510.75
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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.