Finding the Fourth Proportional to 1,748,923.84, 2,414,629.26 and 1,427,400.88
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Solution
The fourth proportional to 1,748,923.84, 2,414,629.26 and 1,427,400.88 is: 1,970,722.71
Step by Step Solution
- Step 1: Write the proportion equation
1,748,923.84 : 2,414,629.26 = 1,427,400.88 : x - Step 2: Convert to fraction form
1,748,923.84/2,414,629.26 = 1,427,400.88/x - Step 3: Cross multiply
1,748,923.84x = 2,414,629.26 × 1,427,400.88 - Step 4: Simplify right side
1,748,923.84x = 3,446,643,930,597.75 - Step 5: Solve for x
x = 3,446,643,930,597.75/1,748,923.84 - Step 6: Final answer
x = 1,970,722.71
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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.