Finding the Fourth Proportional to 1,888,596.81, 2,606,263.70 and 1,029,156.84
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Solution
The fourth proportional to 1,888,596.81, 2,606,263.70 and 1,029,156.84 is: 1,420,236.49
Step by Step Solution
- Step 1: Write the proportion equation
1,888,596.81 : 2,606,263.70 = 1,029,156.84 : x - Step 2: Convert to fraction form
1,888,596.81/2,606,263.70 = 1,029,156.84/x - Step 3: Cross multiply
1,888,596.81x = 2,606,263.70 × 1,029,156.84 - Step 4: Simplify right side
1,888,596.81x = 2,682,254,108,552.92 - Step 5: Solve for x
x = 2,682,254,108,552.92/1,888,596.81 - Step 6: Final answer
x = 1,420,236.49
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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.