Finding the Fourth Proportional to 2,267,972.84, 3,129,804.90 and 1,249,378.28
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Solution
The fourth proportional to 2,267,972.84, 3,129,804.90 and 1,249,378.28 is: 1,724,143.34
Step by Step Solution
- Step 1: Write the proportion equation
2,267,972.84 : 3,129,804.90 = 1,249,378.28 : x - Step 2: Convert to fraction form
2,267,972.84/3,129,804.90 = 1,249,378.28/x - Step 3: Cross multiply
2,267,972.84x = 3,129,804.90 × 1,249,378.28 - Step 4: Simplify right side
2,267,972.84x = 3,910,310,262,697.57 - Step 5: Solve for x
x = 3,910,310,262,697.57/2,267,972.84 - Step 6: Final answer
x = 1,724,143.34
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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.