Finding the Fourth Proportional to 1,518,435.99, 2,095,359.44 and 839,328.75
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Solution
The fourth proportional to 1,518,435.99, 2,095,359.44 and 839,328.75 is: 1,158,228.22
Step by Step Solution
- Step 1: Write the proportion equation
1,518,435.99 : 2,095,359.44 = 839,328.75 : x - Step 2: Convert to fraction form
1,518,435.99/2,095,359.44 = 839,328.75/x - Step 3: Cross multiply
1,518,435.99x = 2,095,359.44 × 839,328.75 - Step 4: Simplify right side
1,518,435.99x = 1,758,695,415,379.26 - Step 5: Solve for x
x = 1,758,695,415,379.26/1,518,435.99 - Step 6: Final answer
x = 1,158,228.22
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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.