Finding the Fourth Proportional to 1,536,202.68, 2,119,958.38 and 857,139.18
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Solution
The fourth proportional to 1,536,202.68, 2,119,958.38 and 857,139.18 is: 1,182,851.33
Step by Step Solution
- Step 1: Write the proportion equation
1,536,202.68 : 2,119,958.38 = 857,139.18 : x - Step 2: Convert to fraction form
1,536,202.68/2,119,958.38 = 857,139.18/x - Step 3: Cross multiply
1,536,202.68x = 2,119,958.38 × 857,139.18 - Step 4: Simplify right side
1,536,202.68x = 1,817,099,387,467.33 - Step 5: Solve for x
x = 1,817,099,387,467.33/1,536,202.68 - Step 6: Final answer
x = 1,182,851.33
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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.