Finding the Fourth Proportional to 3,748,345.51, 5,622,518.30 and 908,457.66
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Solution
The fourth proportional to 3,748,345.51, 5,622,518.30 and 908,457.66 is: 1,362,686.50
Step by Step Solution
- Step 1: Write the proportion equation
3,748,345.51 : 5,622,518.30 = 908,457.66 : x - Step 2: Convert to fraction form
3,748,345.51/5,622,518.30 = 908,457.66/x - Step 3: Cross multiply
3,748,345.51x = 5,622,518.30 × 908,457.66 - Step 4: Simplify right side
3,748,345.51x = 5,107,819,818,125.18 - Step 5: Solve for x
x = 5,107,819,818,125.18/3,748,345.51 - Step 6: Final answer
x = 1,362,686.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.