Finding the Fourth Proportional to 1,970,748.11, 2,955,203.63 and 1,023,864.59
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Solution
The fourth proportional to 1,970,748.11, 2,955,203.63 and 1,023,864.59 is: 1,535,319.68
Step by Step Solution
- Step 1: Write the proportion equation
1,970,748.11 : 2,955,203.63 = 1,023,864.59 : x - Step 2: Convert to fraction form
1,970,748.11/2,955,203.63 = 1,023,864.59/x - Step 3: Cross multiply
1,970,748.11x = 2,955,203.63 × 1,023,864.59 - Step 4: Simplify right side
1,970,748.11x = 3,025,728,352,996.46 - Step 5: Solve for x
x = 3,025,728,352,996.46/1,970,748.11 - Step 6: Final answer
x = 1,535,319.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.