Finding the Fourth Proportional to 2,177,656.23, 3,004,315.08 and 1,246,866.57
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Solution
The fourth proportional to 2,177,656.23, 3,004,315.08 and 1,246,866.57 is: 1,720,188.88
Step by Step Solution
- Step 1: Write the proportion equation
2,177,656.23 : 3,004,315.08 = 1,246,866.57 : x - Step 2: Convert to fraction form
2,177,656.23/3,004,315.08 = 1,246,866.57/x - Step 3: Cross multiply
2,177,656.23x = 3,004,315.08 × 1,246,866.57 - Step 4: Simplify right side
2,177,656.23x = 3,745,980,038,998.88 - Step 5: Solve for x
x = 3,745,980,038,998.88/2,177,656.23 - Step 6: Final answer
x = 1,720,188.88
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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.