Finding the Fourth Proportional to 2,134,802.08, 3,202,591.20 and 1,012,860.64
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Solution
The fourth proportional to 2,134,802.08, 3,202,591.20 and 1,012,860.64 is: 1,519,475.09
Step by Step Solution
- Step 1: Write the proportion equation
2,134,802.08 : 3,202,591.20 = 1,012,860.64 : x - Step 2: Convert to fraction form
2,134,802.08/3,202,591.20 = 1,012,860.64/x - Step 3: Cross multiply
2,134,802.08x = 3,202,591.20 × 1,012,860.64 - Step 4: Simplify right side
2,134,802.08x = 3,243,778,572,490.37 - Step 5: Solve for x
x = 3,243,778,572,490.37/2,134,802.08 - Step 6: Final answer
x = 1,519,475.09
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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.