Finding the Fourth Proportional to 3,603,300.58, 4,972,406.30 and 2,153,795.19
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Solution
The fourth proportional to 3,603,300.58, 4,972,406.30 and 2,153,795.19 is: 2,972,148.59
Step by Step Solution
- Step 1: Write the proportion equation
3,603,300.58 : 4,972,406.30 = 2,153,795.19 : x - Step 2: Convert to fraction form
3,603,300.58/4,972,406.30 = 2,153,795.19/x - Step 3: Cross multiply
3,603,300.58x = 4,972,406.30 × 2,153,795.19 - Step 4: Simplify right side
3,603,300.58x = 10,709,544,736,034.69 - Step 5: Solve for x
x = 10,709,544,736,034.69/3,603,300.58 - Step 6: Final answer
x = 2,972,148.59
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1.5x scale
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.