Finding the Fourth Proportional to 3,065,130.98, 4,229,562.53 and 1,887,542.65
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Solution
The fourth proportional to 3,065,130.98, 4,229,562.53 and 1,887,542.65 is: 2,604,612.89
Step by Step Solution
- Step 1: Write the proportion equation
3,065,130.98 : 4,229,562.53 = 1,887,542.65 : x - Step 2: Convert to fraction form
3,065,130.98/4,229,562.53 = 1,887,542.65/x - Step 3: Cross multiply
3,065,130.98x = 4,229,562.53 × 1,887,542.65 - Step 4: Simplify right side
3,065,130.98x = 7,983,479,666,216.90 - Step 5: Solve for x
x = 7,983,479,666,216.90/3,065,130.98 - Step 6: Final answer
x = 2,604,612.89
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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.