Finding the Fourth Proportional to 2,698,921.44, 4,048,317.63 and 877,284.09
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Solution
The fourth proportional to 2,698,921.44, 4,048,317.63 and 877,284.09 is: 1,315,905.16
Step by Step Solution
- Step 1: Write the proportion equation
2,698,921.44 : 4,048,317.63 = 877,284.09 : x - Step 2: Convert to fraction form
2,698,921.44/4,048,317.63 = 877,284.09/x - Step 3: Cross multiply
2,698,921.44x = 4,048,317.63 × 877,284.09 - Step 4: Simplify right side
2,698,921.44x = 3,551,524,648,065.51 - Step 5: Solve for x
x = 3,551,524,648,065.51/2,698,921.44 - Step 6: Final answer
x = 1,315,905.16
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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.