Finding the Fourth Proportional to 6,243,374.40, 9,358,840.80 and 2,871,700.80
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Solution
The fourth proportional to 6,243,374.40, 9,358,840.80 and 2,871,700.80 is: 4,304,689.88
Step by Step Solution
- Step 1: Write the proportion equation
6,243,374.40 : 9,358,840.80 = 2,871,700.80 : x - Step 2: Convert to fraction form
6,243,374.40/9,358,840.80 = 2,871,700.80/x - Step 3: Cross multiply
6,243,374.40x = 9,358,840.80 × 2,871,700.80 - Step 4: Simplify right side
6,243,374.40x = 26,875,790,612,432.64 - Step 5: Solve for x
x = 26,875,790,612,432.64/6,243,374.40 - Step 6: Final answer
x = 4,304,689.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.