Finding the Fourth Proportional to 2,245,393.68, 3,098,607.12 and 1,226,776.56
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Solution
The fourth proportional to 2,245,393.68, 3,098,607.12 and 1,226,776.56 is: 1,692,931.90
Step by Step Solution
- Step 1: Write the proportion equation
2,245,393.68 : 3,098,607.12 = 1,226,776.56 : x - Step 2: Convert to fraction form
2,245,393.68/3,098,607.12 = 1,226,776.56/x - Step 3: Cross multiply
2,245,393.68x = 3,098,607.12 × 1,226,776.56 - Step 4: Simplify right side
2,245,393.68x = 3,801,298,583,465.11 - Step 5: Solve for x
x = 3,801,298,583,465.11/2,245,393.68 - Step 6: Final answer
x = 1,692,931.90
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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.