Finding the Fourth Proportional to 2,107,536.48, 2,908,375.20 and 1,140,643.80
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Solution
The fourth proportional to 2,107,536.48, 2,908,375.20 and 1,140,643.80 is: 1,574,074.84
Step by Step Solution
- Step 1: Write the proportion equation
2,107,536.48 : 2,908,375.20 = 1,140,643.80 : x - Step 2: Convert to fraction form
2,107,536.48/2,908,375.20 = 1,140,643.80/x - Step 3: Cross multiply
2,107,536.48x = 2,908,375.20 × 1,140,643.80 - Step 4: Simplify right side
2,107,536.48x = 3,317,420,139,953.76 - Step 5: Solve for x
x = 3,317,420,139,953.76/2,107,536.48 - Step 6: Final answer
x = 1,574,074.84
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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.