Finding the Fourth Proportional to 1,186,541.91, 1,637,417.96 and 642,664.98
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Solution
The fourth proportional to 1,186,541.91, 1,637,417.96 and 642,664.98 is: 886,872.32
Step by Step Solution
- Step 1: Write the proportion equation
1,186,541.91 : 1,637,417.96 = 642,664.98 : x - Step 2: Convert to fraction form
1,186,541.91/1,637,417.96 = 642,664.98/x - Step 3: Cross multiply
1,186,541.91x = 1,637,417.96 × 642,664.98 - Step 4: Simplify right side
1,186,541.91x = 1,052,311,180,515.04 - Step 5: Solve for x
x = 1,052,311,180,515.04/1,186,541.91 - Step 6: Final answer
x = 886,872.32
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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.