Finding the Fourth Proportional to 1,679,312.81, 2,315,620.28 and 1,134,502.62
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Solution
The fourth proportional to 1,679,312.81, 2,315,620.28 and 1,134,502.62 is: 1,564,376.37
Step by Step Solution
- Step 1: Write the proportion equation
1,679,312.81 : 2,315,620.28 = 1,134,502.62 : x - Step 2: Convert to fraction form
1,679,312.81/2,315,620.28 = 1,134,502.62/x - Step 3: Cross multiply
1,679,312.81x = 2,315,620.28 × 1,134,502.62 - Step 4: Simplify right side
1,679,312.81x = 2,627,077,268,912.62 - Step 5: Solve for x
x = 2,627,077,268,912.62/1,679,312.81 - Step 6: Final answer
x = 1,564,376.37
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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.