Finding the Fourth Proportional to 1,566,348.75, 2,349,525.20 and 429,120.95
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Solution
The fourth proportional to 1,566,348.75, 2,349,525.20 and 429,120.95 is: 643,681.98
Step by Step Solution
- Step 1: Write the proportion equation
1,566,348.75 : 2,349,525.20 = 429,120.95 : x - Step 2: Convert to fraction form
1,566,348.75/2,349,525.20 = 429,120.95/x - Step 3: Cross multiply
1,566,348.75x = 2,349,525.20 × 429,120.95 - Step 4: Simplify right side
1,566,348.75x = 1,008,230,471,979.71 - Step 5: Solve for x
x = 1,008,230,471,979.71/1,566,348.75 - Step 6: Final answer
x = 643,681.98
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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.