Finding the Fourth Proportional to 1,881,117.12, 2,595,960.36 and 1,021,694.16
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Solution
The fourth proportional to 1,881,117.12, 2,595,960.36 and 1,021,694.16 is: 1,409,948.12
Step by Step Solution
- Step 1: Write the proportion equation
1,881,117.12 : 2,595,960.36 = 1,021,694.16 : x - Step 2: Convert to fraction form
1,881,117.12/2,595,960.36 = 1,021,694.16/x - Step 3: Cross multiply
1,881,117.12x = 2,595,960.36 × 1,021,694.16 - Step 4: Simplify right side
1,881,117.12x = 2,652,277,539,403.50 - Step 5: Solve for x
x = 2,652,277,539,403.50/1,881,117.12 - Step 6: Final answer
x = 1,409,948.12
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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.