Finding the Fourth Proportional to 1,566,485.10, 2,349,891.68 and 668,021.76
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Solution
The fourth proportional to 1,566,485.10, 2,349,891.68 and 668,021.76 is: 1,002,102.59
Step by Step Solution
- Step 1: Write the proportion equation
1,566,485.10 : 2,349,891.68 = 668,021.76 : x - Step 2: Convert to fraction form
1,566,485.10/2,349,891.68 = 668,021.76/x - Step 3: Cross multiply
1,566,485.10x = 2,349,891.68 × 668,021.76 - Step 4: Simplify right side
1,566,485.10x = 1,569,778,772,542.85 - Step 5: Solve for x
x = 1,569,778,772,542.85/1,566,485.10 - Step 6: Final answer
x = 1,002,102.59
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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.