Finding the Fourth Proportional to 2,811,772.40, 4,217,448.12 and 1,014,655.80
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Solution
The fourth proportional to 2,811,772.40, 4,217,448.12 and 1,014,655.80 is: 1,521,907.75
Step by Step Solution
- Step 1: Write the proportion equation
2,811,772.40 : 4,217,448.12 = 1,014,655.80 : x - Step 2: Convert to fraction form
2,811,772.40/4,217,448.12 = 1,014,655.80/x - Step 3: Cross multiply
2,811,772.40x = 4,217,448.12 × 1,014,655.80 - Step 4: Simplify right side
2,811,772.40x = 4,279,258,209,371.24 - Step 5: Solve for x
x = 4,279,258,209,371.24/2,811,772.40 - Step 6: Final answer
x = 1,521,907.75
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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.