Finding the Fourth Proportional to 1,518,427.65, 2,095,455.06 and 906,633.90
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Solution
The fourth proportional to 1,518,427.65, 2,095,455.06 and 906,633.90 is: 1,251,169.65
Step by Step Solution
- Step 1: Write the proportion equation
1,518,427.65 : 2,095,455.06 = 906,633.90 : x - Step 2: Convert to fraction form
1,518,427.65/2,095,455.06 = 906,633.90/x - Step 3: Cross multiply
1,518,427.65x = 2,095,455.06 × 906,633.90 - Step 4: Simplify right side
1,518,427.65x = 1,899,810,593,322.53 - Step 5: Solve for x
x = 1,899,810,593,322.53/1,518,427.65 - Step 6: Final answer
x = 1,251,169.65
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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.