Finding the Fourth Proportional to 1,943,531.84, 2,682,140.64 and 1,127,673.92
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Solution
The fourth proportional to 1,943,531.84, 2,682,140.64 and 1,127,673.92 is: 1,556,228.71
Step by Step Solution
- Step 1: Write the proportion equation
1,943,531.84 : 2,682,140.64 = 1,127,673.92 : x - Step 2: Convert to fraction form
1,943,531.84/2,682,140.64 = 1,127,673.92/x - Step 3: Cross multiply
1,943,531.84x = 2,682,140.64 × 1,127,673.92 - Step 4: Simplify right side
1,943,531.84x = 3,024,580,049,500.11 - Step 5: Solve for x
x = 3,024,580,049,500.11/1,943,531.84 - Step 6: Final answer
x = 1,556,228.71
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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.