Finding the Fourth Proportional to 1,803,237.63, 2,488,467.87 and 987,491.19
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Solution
The fourth proportional to 1,803,237.63, 2,488,467.87 and 987,491.19 is: 1,362,737.81
Step by Step Solution
- Step 1: Write the proportion equation
1,803,237.63 : 2,488,467.87 = 987,491.19 : x - Step 2: Convert to fraction form
1,803,237.63/2,488,467.87 = 987,491.19/x - Step 3: Cross multiply
1,803,237.63x = 2,488,467.87 × 987,491.19 - Step 4: Simplify right side
1,803,237.63x = 2,457,340,098,223.07 - Step 5: Solve for x
x = 2,457,340,098,223.07/1,803,237.63 - Step 6: Final answer
x = 1,362,737.81
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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.