Finding the Fourth Proportional to 1,943,529.84, 2,682,137.88 and 1,127,671.92
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Solution
The fourth proportional to 1,943,529.84, 2,682,137.88 and 1,127,671.92 is: 1,556,225.95
Step by Step Solution
- Step 1: Write the proportion equation
1,943,529.84 : 2,682,137.88 = 1,127,671.92 : x - Step 2: Convert to fraction form
1,943,529.84/2,682,137.88 = 1,127,671.92/x - Step 3: Cross multiply
1,943,529.84x = 2,682,137.88 × 1,127,671.92 - Step 4: Simplify right side
1,943,529.84x = 3,024,571,572,844.33 - Step 5: Solve for x
x = 3,024,571,572,844.33/1,943,529.84 - Step 6: Final answer
x = 1,556,225.95
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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.