Finding the Fourth Proportional to 1,938,157.84, 2,907,316.92 and 571,931.56
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Solution
The fourth proportional to 1,938,157.84, 2,907,316.92 and 571,931.56 is: 857,920.99
Step by Step Solution
- Step 1: Write the proportion equation
1,938,157.84 : 2,907,316.92 = 571,931.56 : x - Step 2: Convert to fraction form
1,938,157.84/2,907,316.92 = 571,931.56/x - Step 3: Cross multiply
1,938,157.84x = 2,907,316.92 × 571,931.56 - Step 4: Simplify right side
1,938,157.84x = 1,662,786,301,470.00 - Step 5: Solve for x
x = 1,662,786,301,470.00/1,938,157.84 - Step 6: Final answer
x = 857,920.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.