Finding the Fourth Proportional to 1,623,533.36, 2,238,642.50 and 1,214,323.79
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Solution
The fourth proportional to 1,623,533.36, 2,238,642.50 and 1,214,323.79 is: 1,674,395.43
Step by Step Solution
- Step 1: Write the proportion equation
1,623,533.36 : 2,238,642.50 = 1,214,323.79 : x - Step 2: Convert to fraction form
1,623,533.36/2,238,642.50 = 1,214,323.79/x - Step 3: Cross multiply
1,623,533.36x = 2,238,642.50 × 1,214,323.79 - Step 4: Simplify right side
1,623,533.36x = 2,718,436,827,790.24 - Step 5: Solve for x
x = 2,718,436,827,790.24/1,623,533.36 - Step 6: Final answer
x = 1,674,395.43
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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.