Finding the Fourth Proportional to 1,427,781.02, 2,140,982.58 and 828,892.94
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Solution
The fourth proportional to 1,427,781.02, 2,140,982.58 and 828,892.94 is: 1,242,939.44
Step by Step Solution
- Step 1: Write the proportion equation
1,427,781.02 : 2,140,982.58 = 828,892.94 : x - Step 2: Convert to fraction form
1,427,781.02/2,140,982.58 = 828,892.94/x - Step 3: Cross multiply
1,427,781.02x = 2,140,982.58 × 828,892.94 - Step 4: Simplify right side
1,427,781.02x = 1,774,645,345,224.99 - Step 5: Solve for x
x = 1,774,645,345,224.99/1,427,781.02 - Step 6: Final answer
x = 1,242,939.44
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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.