Finding the Fourth Proportional to 1,879,612.17, 2,593,795.42 and 1,020,153.98
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Solution
The fourth proportional to 1,879,612.17, 2,593,795.42 and 1,020,153.98 is: 1,407,774.83
Step by Step Solution
- Step 1: Write the proportion equation
1,879,612.17 : 2,593,795.42 = 1,020,153.98 : x - Step 2: Convert to fraction form
1,879,612.17/2,593,795.42 = 1,020,153.98/x - Step 3: Cross multiply
1,879,612.17x = 2,593,795.42 × 1,020,153.98 - Step 4: Simplify right side
1,879,612.17x = 2,646,070,702,949.02 - Step 5: Solve for x
x = 2,646,070,702,949.02/1,879,612.17 - Step 6: Final answer
x = 1,407,774.83
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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.