Finding the Fourth Proportional to 4,620,115.32, 6,931,161.98 and 1,381,907
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Solution
The fourth proportional to 4,620,115.32, 6,931,161.98 and 1,381,907 is: 2,073,156.32
Step by Step Solution
- Step 1: Write the proportion equation
4,620,115.32 : 6,931,161.98 = 1,381,907 : x - Step 2: Convert to fraction form
4,620,115.32/6,931,161.98 = 1,381,907/x - Step 3: Cross multiply
4,620,115.32x = 6,931,161.98 × 1,381,907 - Step 4: Simplify right side
4,620,115.32x = 9,578,221,258,295.86 - Step 5: Solve for x
x = 9,578,221,258,295.86/4,620,115.32 - Step 6: Final answer
x = 2,073,156.32
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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.