Finding the Fourth Proportional to 1,518,416.11, 2,277,314.34 and 558,541.81
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Solution
The fourth proportional to 1,518,416.11, 2,277,314.34 and 558,541.81 is: 837,698.75
Step by Step Solution
- Step 1: Write the proportion equation
1,518,416.11 : 2,277,314.34 = 558,541.81 : x - Step 2: Convert to fraction form
1,518,416.11/2,277,314.34 = 558,541.81/x - Step 3: Cross multiply
1,518,416.11x = 2,277,314.34 × 558,541.81 - Step 4: Simplify right side
1,518,416.11x = 1,271,975,273,402.56 - Step 5: Solve for x
x = 1,271,975,273,402.56/1,518,416.11 - Step 6: Final answer
x = 837,698.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.