Finding the Fourth Proportional to 1,528,474.68, 2,109,127.44 and 883,797.24
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Solution
The fourth proportional to 1,528,474.68, 2,109,127.44 and 883,797.24 is: 1,219,543.27
Step by Step Solution
- Step 1: Write the proportion equation
1,528,474.68 : 2,109,127.44 = 883,797.24 : x - Step 2: Convert to fraction form
1,528,474.68/2,109,127.44 = 883,797.24/x - Step 3: Cross multiply
1,528,474.68x = 2,109,127.44 × 883,797.24 - Step 4: Simplify right side
1,528,474.68x = 1,864,041,010,280.27 - Step 5: Solve for x
x = 1,864,041,010,280.27/1,528,474.68 - Step 6: Final answer
x = 1,219,543.27
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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.