Finding the Fourth Proportional to 1,528,988.66, 2,109,878.83 and 900,232.42
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Solution
The fourth proportional to 1,528,988.66, 2,109,878.83 and 900,232.42 is: 1,242,246.84
Step by Step Solution
- Step 1: Write the proportion equation
1,528,988.66 : 2,109,878.83 = 900,232.42 : x - Step 2: Convert to fraction form
1,528,988.66/2,109,878.83 = 900,232.42/x - Step 3: Cross multiply
1,528,988.66x = 2,109,878.83 × 900,232.42 - Step 4: Simplify right side
1,528,988.66x = 1,899,381,325,037.67 - Step 5: Solve for x
x = 1,899,381,325,037.67/1,528,988.66 - Step 6: Final answer
x = 1,242,246.84
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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.