Finding the Fourth Proportional to 4,238,986.64, 6,359,472.30 and 1,399,096.08
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Solution
The fourth proportional to 4,238,986.64, 6,359,472.30 and 1,399,096.08 is: 2,098,971.65
Step by Step Solution
- Step 1: Write the proportion equation
4,238,986.64 : 6,359,472.30 = 1,399,096.08 : x - Step 2: Convert to fraction form
4,238,986.64/6,359,472.30 = 1,399,096.08/x - Step 3: Cross multiply
4,238,986.64x = 6,359,472.30 × 1,399,096.08 - Step 4: Simplify right side
4,238,986.64x = 8,897,512,765,798.58 - Step 5: Solve for x
x = 8,897,512,765,798.58/4,238,986.64 - Step 6: Final answer
x = 2,098,971.65
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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.