Finding the Fourth Proportional to 4,012,681.74, 6,019,115.01 and 980,072.79
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Solution
The fourth proportional to 4,012,681.74, 6,019,115.01 and 980,072.79 is: 1,470,131.75
Step by Step Solution
- Step 1: Write the proportion equation
4,012,681.74 : 6,019,115.01 = 980,072.79 : x - Step 2: Convert to fraction form
4,012,681.74/6,019,115.01 = 980,072.79/x - Step 3: Cross multiply
4,012,681.74x = 6,019,115.01 × 980,072.79 - Step 4: Simplify right side
4,012,681.74x = 5,899,170,841,181.58 - Step 5: Solve for x
x = 5,899,170,841,181.58/4,012,681.74 - Step 6: Final answer
x = 1,470,131.75
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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.