Finding the Fourth Proportional to 1,996,634.99, 2,756,686.29 and 1,181,100.67
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Solution
The fourth proportional to 1,996,634.99, 2,756,686.29 and 1,181,100.67 is: 1,630,705.68
Step by Step Solution
- Step 1: Write the proportion equation
1,996,634.99 : 2,756,686.29 = 1,181,100.67 : x - Step 2: Convert to fraction form
1,996,634.99/2,756,686.29 = 1,181,100.67/x - Step 3: Cross multiply
1,996,634.99x = 2,756,686.29 × 1,181,100.67 - Step 4: Simplify right side
1,996,634.99x = 3,255,924,024,098.81 - Step 5: Solve for x
x = 3,255,924,024,098.81/1,996,634.99 - Step 6: Final answer
x = 1,630,705.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.