Finding the Fourth Proportional to 1,510,202.78, 2,083,609.58 and 856,720.34
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Solution
The fourth proportional to 1,510,202.78, 2,083,609.58 and 856,720.34 is: 1,182,007.30
Step by Step Solution
- Step 1: Write the proportion equation
1,510,202.78 : 2,083,609.58 = 856,720.34 : x - Step 2: Convert to fraction form
1,510,202.78/2,083,609.58 = 856,720.34/x - Step 3: Cross multiply
1,510,202.78x = 2,083,609.58 × 856,720.34 - Step 4: Simplify right side
1,510,202.78x = 1,785,070,712,637.05 - Step 5: Solve for x
x = 1,785,070,712,637.05/1,510,202.78 - Step 6: Final answer
x = 1,182,007.30
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.