Finding the Fourth Proportional to 1,748,059.84, 2,412,367.68 and 984,140.74
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Solution
The fourth proportional to 1,748,059.84, 2,412,367.68 and 984,140.74 is: 1,358,139.61
Step by Step Solution
- Step 1: Write the proportion equation
1,748,059.84 : 2,412,367.68 = 984,140.74 : x - Step 2: Convert to fraction form
1,748,059.84/2,412,367.68 = 984,140.74/x - Step 3: Cross multiply
1,748,059.84x = 2,412,367.68 × 984,140.74 - Step 4: Simplify right side
1,748,059.84x = 2,374,109,313,747.28 - Step 5: Solve for x
x = 2,374,109,313,747.28/1,748,059.84 - Step 6: Final answer
x = 1,358,139.61
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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.