Finding the Fourth Proportional to 1,395,342.20, 2,088,347.70 and 975,438.20
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Solution
The fourth proportional to 1,395,342.20, 2,088,347.70 and 975,438.20 is: 1,459,895.73
Step by Step Solution
- Step 1: Write the proportion equation
1,395,342.20 : 2,088,347.70 = 975,438.20 : x - Step 2: Convert to fraction form
1,395,342.20/2,088,347.70 = 975,438.20/x - Step 3: Cross multiply
1,395,342.20x = 2,088,347.70 × 975,438.20 - Step 4: Simplify right side
1,395,342.20x = 2,037,054,121,462.14 - Step 5: Solve for x
x = 2,037,054,121,462.14/1,395,342.20 - Step 6: Final answer
x = 1,459,895.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.