Finding the Fourth Proportional to 3,239,840.03, 4,470,968.16 and 1,863,118.74
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Solution
The fourth proportional to 3,239,840.03, 4,470,968.16 and 1,863,118.74 is: 2,571,097.50
Step by Step Solution
- Step 1: Write the proportion equation
3,239,840.03 : 4,470,968.16 = 1,863,118.74 : x - Step 2: Convert to fraction form
3,239,840.03/4,470,968.16 = 1,863,118.74/x - Step 3: Cross multiply
3,239,840.03x = 4,470,968.16 × 1,863,118.74 - Step 4: Simplify right side
3,239,840.03x = 8,329,944,574,270.87 - Step 5: Solve for x
x = 8,329,944,574,270.87/3,239,840.03 - Step 6: Final answer
x = 2,571,097.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.