Finding the Fourth Proportional to 4,685,519.79, 7,020,258.66 and 2,557,098.99
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Solution
The fourth proportional to 4,685,519.79, 7,020,258.66 and 2,557,098.99 is: 3,831,271.05
Step by Step Solution
- Step 1: Write the proportion equation
4,685,519.79 : 7,020,258.66 = 2,557,098.99 : x - Step 2: Convert to fraction form
4,685,519.79/7,020,258.66 = 2,557,098.99/x - Step 3: Cross multiply
4,685,519.79x = 7,020,258.66 × 2,557,098.99 - Step 4: Simplify right side
4,685,519.79x = 17,951,496,329,024.75 - Step 5: Solve for x
x = 17,951,496,329,024.75/4,685,519.79 - Step 6: Final answer
x = 3,831,271.05
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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.