Finding the Fourth Proportional to 1,536,200.18, 2,119,954.93 and 857,136.68
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Solution
The fourth proportional to 1,536,200.18, 2,119,954.93 and 857,136.68 is: 1,182,847.88
Step by Step Solution
- Step 1: Write the proportion equation
1,536,200.18 : 2,119,954.93 = 857,136.68 : x - Step 2: Convert to fraction form
1,536,200.18/2,119,954.93 = 857,136.68/x - Step 3: Cross multiply
1,536,200.18x = 2,119,954.93 × 857,136.68 - Step 4: Simplify right side
1,536,200.18x = 1,817,091,130,449.83 - Step 5: Solve for x
x = 1,817,091,130,449.83/1,536,200.18 - Step 6: Final answer
x = 1,182,847.88
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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.