Finding the Fourth Proportional to 1,531,048.42, 2,296,578.64 and 620,248.12
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Solution
The fourth proportional to 1,531,048.42, 2,296,578.64 and 620,248.12 is: 930,374.61
Step by Step Solution
- Step 1: Write the proportion equation
1,531,048.42 : 2,296,578.64 = 620,248.12 : x - Step 2: Convert to fraction form
1,531,048.42/2,296,578.64 = 620,248.12/x - Step 3: Cross multiply
1,531,048.42x = 2,296,578.64 × 620,248.12 - Step 4: Simplify right side
1,531,048.42x = 1,424,448,577,763.06 - Step 5: Solve for x
x = 1,424,448,577,763.06/1,531,048.42 - Step 6: Final answer
x = 930,374.61
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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.