Finding the Fourth Proportional to 4,224,985.20, 6,337,477.80 and 2,427,865.20
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Solution
The fourth proportional to 4,224,985.20, 6,337,477.80 and 2,427,865.20 is: 3,641,797.80
Step by Step Solution
- Step 1: Write the proportion equation
4,224,985.20 : 6,337,477.80 = 2,427,865.20 : x - Step 2: Convert to fraction form
4,224,985.20/6,337,477.80 = 2,427,865.20/x - Step 3: Cross multiply
4,224,985.20x = 6,337,477.80 × 2,427,865.20 - Step 4: Simplify right side
4,224,985.20x = 15,386,541,806,392.56 - Step 5: Solve for x
x = 15,386,541,806,392.56/4,224,985.20 - Step 6: Final answer
x = 3,641,797.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.