Finding the Fourth Proportional to 1,531,630.16, 2,113,614.56 and 958,986.08
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Solution
The fourth proportional to 1,531,630.16, 2,113,614.56 and 958,986.08 is: 1,323,378.84
Step by Step Solution
- Step 1: Write the proportion equation
1,531,630.16 : 2,113,614.56 = 958,986.08 : x - Step 2: Convert to fraction form
1,531,630.16/2,113,614.56 = 958,986.08/x - Step 3: Cross multiply
1,531,630.16x = 2,113,614.56 × 958,986.08 - Step 4: Simplify right side
1,531,630.16x = 2,026,926,941,525.32 - Step 5: Solve for x
x = 2,026,926,941,525.32/1,531,630.16 - Step 6: Final answer
x = 1,323,378.84
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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.