Finding the Fourth Proportional to 3,604,320.81, 4,973,427.66 and 2,189,107.66
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Solution
The fourth proportional to 3,604,320.81, 4,973,427.66 and 2,189,107.66 is: 3,020,643.59
Step by Step Solution
- Step 1: Write the proportion equation
3,604,320.81 : 4,973,427.66 = 2,189,107.66 : x - Step 2: Convert to fraction form
3,604,320.81/4,973,427.66 = 2,189,107.66/x - Step 3: Cross multiply
3,604,320.81x = 4,973,427.66 × 2,189,107.66 - Step 4: Simplify right side
3,604,320.81x = 10,887,368,551,149.20 - Step 5: Solve for x
x = 10,887,368,551,149.20/3,604,320.81 - Step 6: Final answer
x = 3,020,643.59
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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.