Finding the Fourth Proportional to 7,202,246.41, 9,939,358.75 and 4,105,237.07
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Solution
The fourth proportional to 7,202,246.41, 9,939,358.75 and 4,105,237.07 is: 5,665,374.62
Step by Step Solution
- Step 1: Write the proportion equation
7,202,246.41 : 9,939,358.75 = 4,105,237.07 : x - Step 2: Convert to fraction form
7,202,246.41/9,939,358.75 = 4,105,237.07/x - Step 3: Cross multiply
7,202,246.41x = 9,939,358.75 × 4,105,237.07 - Step 4: Simplify right side
7,202,246.41x = 40,803,424,014,812.30 - Step 5: Solve for x
x = 40,803,424,014,812.30/7,202,246.41 - Step 6: Final answer
x = 5,665,374.62
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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.