Finding the Fourth Proportional to 4,758,730.74, 7,138,372.99 and 1,346,731.89
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Solution
The fourth proportional to 4,758,730.74, 7,138,372.99 and 1,346,731.89 is: 2,020,176.20
Step by Step Solution
- Step 1: Write the proportion equation
4,758,730.74 : 7,138,372.99 = 1,346,731.89 : x - Step 2: Convert to fraction form
4,758,730.74/7,138,372.99 = 1,346,731.89/x - Step 3: Cross multiply
4,758,730.74x = 7,138,372.99 × 1,346,731.89 - Step 4: Simplify right side
4,758,730.74x = 9,613,474,576,799.97 - Step 5: Solve for x
x = 9,613,474,576,799.97/4,758,730.74 - Step 6: Final answer
x = 2,020,176.20
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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.