Finding the Fourth Proportional to 1,943,558.40, 2,683,359.36 and 1,219,399.68
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Solution
The fourth proportional to 1,943,558.40, 2,683,359.36 and 1,219,399.68 is: 1,683,555.04
Step by Step Solution
- Step 1: Write the proportion equation
1,943,558.40 : 2,683,359.36 = 1,219,399.68 : x - Step 2: Convert to fraction form
1,943,558.40/2,683,359.36 = 1,219,399.68/x - Step 3: Cross multiply
1,943,558.40x = 2,683,359.36 × 1,219,399.68 - Step 4: Simplify right side
1,943,558.40x = 3,272,087,544,909.00 - Step 5: Solve for x
x = 3,272,087,544,909.00/1,943,558.40 - Step 6: Final answer
x = 1,683,555.04
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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.