Finding the Fourth Proportional to 6,862,616.20, 10,297,610.70 and 2,873,931.40
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Solution
The fourth proportional to 6,862,616.20, 10,297,610.70 and 2,873,931.40 is: 4,312,440.89
Step by Step Solution
- Step 1: Write the proportion equation
6,862,616.20 : 10,297,610.70 = 2,873,931.40 : x - Step 2: Convert to fraction form
6,862,616.20/10,297,610.70 = 2,873,931.40/x - Step 3: Cross multiply
6,862,616.20x = 10,297,610.70 × 2,873,931.40 - Step 4: Simplify right side
6,862,616.20x = 29,594,626,735,705.98 - Step 5: Solve for x
x = 29,594,626,735,705.98/6,862,616.20 - Step 6: Final answer
x = 4,312,440.89
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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.