Finding the Fourth Proportional to 2,943,405.68, 4,064,984.04 and 2,028,014.96
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Solution
The fourth proportional to 2,943,405.68, 4,064,984.04 and 2,028,014.96 is: 2,800,785.67
Step by Step Solution
- Step 1: Write the proportion equation
2,943,405.68 : 4,064,984.04 = 2,028,014.96 : x - Step 2: Convert to fraction form
2,943,405.68/4,064,984.04 = 2,028,014.96/x - Step 3: Cross multiply
2,943,405.68x = 4,064,984.04 × 2,028,014.96 - Step 4: Simplify right side
2,943,405.68x = 8,243,848,445,281.24 - Step 5: Solve for x
x = 8,243,848,445,281.24/2,943,405.68 - Step 6: Final answer
x = 2,800,785.67
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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.