Finding the Fourth Proportional to 5,012,205.16, 7,518,307.74 and 1,225,643.08
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Solution
The fourth proportional to 5,012,205.16, 7,518,307.74 and 1,225,643.08 is: 1,838,464.62
Step by Step Solution
- Step 1: Write the proportion equation
5,012,205.16 : 7,518,307.74 = 1,225,643.08 : x - Step 2: Convert to fraction form
5,012,205.16/7,518,307.74 = 1,225,643.08/x - Step 3: Cross multiply
5,012,205.16x = 7,518,307.74 × 1,225,643.08 - Step 4: Simplify right side
5,012,205.16x = 9,214,761,854,841.44 - Step 5: Solve for x
x = 9,214,761,854,841.44/5,012,205.16 - Step 6: Final answer
x = 1,838,464.62
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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.