Finding the Fourth Proportional to 2,993,219.68, 4,130,636.16 and 1,635,102.40
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Solution
The fourth proportional to 2,993,219.68, 4,130,636.16 and 1,635,102.40 is: 2,256,437.49
Step by Step Solution
- Step 1: Write the proportion equation
2,993,219.68 : 4,130,636.16 = 1,635,102.40 : x - Step 2: Convert to fraction form
2,993,219.68/4,130,636.16 = 1,635,102.40/x - Step 3: Cross multiply
2,993,219.68x = 4,130,636.16 × 1,635,102.40 - Step 4: Simplify right side
2,993,219.68x = 6,754,013,098,742.78 - Step 5: Solve for x
x = 6,754,013,098,742.78/2,993,219.68 - Step 6: Final answer
x = 2,256,437.49
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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.