Finding the Fourth Proportional to 1,748,390.06, 2,412,138.26 and 1,059,564.99
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Solution
The fourth proportional to 1,748,390.06, 2,412,138.26 and 1,059,564.99 is: 1,461,811.82
Step by Step Solution
- Step 1: Write the proportion equation
1,748,390.06 : 2,412,138.26 = 1,059,564.99 : x - Step 2: Convert to fraction form
1,748,390.06/2,412,138.26 = 1,059,564.99/x - Step 3: Cross multiply
1,748,390.06x = 2,412,138.26 × 1,059,564.99 - Step 4: Simplify right side
1,748,390.06x = 2,555,817,246,037.69 - Step 5: Solve for x
x = 2,555,817,246,037.69/1,748,390.06 - Step 6: Final answer
x = 1,461,811.82
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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.