Finding the Fourth Proportional to 2,862,465.21, 3,950,118.50 and 1,638,730.17
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Solution
The fourth proportional to 2,862,465.21, 3,950,118.50 and 1,638,730.17 is: 2,261,399.83
Step by Step Solution
- Step 1: Write the proportion equation
2,862,465.21 : 3,950,118.50 = 1,638,730.17 : x - Step 2: Convert to fraction form
2,862,465.21/3,950,118.50 = 1,638,730.17/x - Step 3: Cross multiply
2,862,465.21x = 3,950,118.50 × 1,638,730.17 - Step 4: Simplify right side
2,862,465.21x = 6,473,178,352,831.49 - Step 5: Solve for x
x = 6,473,178,352,831.49/2,862,465.21 - Step 6: Final answer
x = 2,261,399.83
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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.