Finding the Fourth Proportional to 2,887,763.65, 3,985,160.84 and 1,580,993.64
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Solution
The fourth proportional to 2,887,763.65, 3,985,160.84 and 1,580,993.64 is: 2,181,796.95
Step by Step Solution
- Step 1: Write the proportion equation
2,887,763.65 : 3,985,160.84 = 1,580,993.64 : x - Step 2: Convert to fraction form
2,887,763.65/3,985,160.84 = 1,580,993.64/x - Step 3: Cross multiply
2,887,763.65x = 3,985,160.84 × 1,580,993.64 - Step 4: Simplify right side
2,887,763.65x = 6,300,513,928,501.67 - Step 5: Solve for x
x = 6,300,513,928,501.67/2,887,763.65 - Step 6: Final answer
x = 2,181,796.95
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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.