Finding the Fourth Proportional to 2,292,320.25, 3,163,335.05 and 1,312,226.80
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Solution
The fourth proportional to 2,292,320.25, 3,163,335.05 and 1,312,226.80 is: 1,810,834.69
Step by Step Solution
- Step 1: Write the proportion equation
2,292,320.25 : 3,163,335.05 = 1,312,226.80 : x - Step 2: Convert to fraction form
2,292,320.25/3,163,335.05 = 1,312,226.80/x - Step 3: Cross multiply
2,292,320.25x = 3,163,335.05 × 1,312,226.80 - Step 4: Simplify right side
2,292,320.25x = 4,151,013,025,361.57 - Step 5: Solve for x
x = 4,151,013,025,361.57/2,292,320.25 - Step 6: Final answer
x = 1,810,834.69
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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.