Finding the Fourth Proportional to 1,531,929.60, 2,296,972.80 and 785,433.60
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Solution
The fourth proportional to 1,531,929.60, 2,296,972.80 and 785,433.60 is: 1,177,677.89
Step by Step Solution
- Step 1: Write the proportion equation
1,531,929.60 : 2,296,972.80 = 785,433.60 : x - Step 2: Convert to fraction form
1,531,929.60/2,296,972.80 = 785,433.60/x - Step 3: Cross multiply
1,531,929.60x = 2,296,972.80 × 785,433.60 - Step 4: Simplify right side
1,531,929.60x = 1,804,119,615,406.08 - Step 5: Solve for x
x = 1,804,119,615,406.08/1,531,929.60 - Step 6: Final answer
x = 1,177,677.89
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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.