Finding the Fourth Proportional to 1,535,531.67, 2,119,041.05 and 847,203.48
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Solution
The fourth proportional to 1,535,531.67, 2,119,041.05 and 847,203.48 is: 1,169,144.85
Step by Step Solution
- Step 1: Write the proportion equation
1,535,531.67 : 2,119,041.05 = 847,203.48 : x - Step 2: Convert to fraction form
1,535,531.67/2,119,041.05 = 847,203.48/x - Step 3: Cross multiply
1,535,531.67x = 2,119,041.05 × 847,203.48 - Step 4: Simplify right side
1,535,531.67x = 1,795,258,947,586.84 - Step 5: Solve for x
x = 1,795,258,947,586.84/1,535,531.67 - Step 6: Final answer
x = 1,169,144.85
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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.