Finding the Fourth Proportional to 1,731,777.60, 2,388,305.52 and 1,087,258.08
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Solution
The fourth proportional to 1,731,777.60, 2,388,305.52 and 1,087,258.08 is: 1,499,444.54
Step by Step Solution
- Step 1: Write the proportion equation
1,731,777.60 : 2,388,305.52 = 1,087,258.08 : x - Step 2: Convert to fraction form
1,731,777.60/2,388,305.52 = 1,087,258.08/x - Step 3: Cross multiply
1,731,777.60x = 2,388,305.52 × 1,087,258.08 - Step 4: Simplify right side
1,731,777.60x = 2,596,704,474,128.60 - Step 5: Solve for x
x = 2,596,704,474,128.60/1,731,777.60 - Step 6: Final answer
x = 1,499,444.54
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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.