Finding the Fourth Proportional to 1,785,652.34, 2,678,478.51 and 788,181.62
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Solution
The fourth proportional to 1,785,652.34, 2,678,478.51 and 788,181.62 is: 1,182,272.43
Step by Step Solution
- Step 1: Write the proportion equation
1,785,652.34 : 2,678,478.51 = 788,181.62 : x - Step 2: Convert to fraction form
1,785,652.34/2,678,478.51 = 788,181.62/x - Step 3: Cross multiply
1,785,652.34x = 2,678,478.51 × 788,181.62 - Step 4: Simplify right side
1,785,652.34x = 2,111,127,531,146.99 - Step 5: Solve for x
x = 2,111,127,531,146.99/1,785,652.34 - Step 6: Final answer
x = 1,182,272.43
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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.