Finding the Fourth Proportional to 4,158,918.99, 6,238,973.58 and 1,280,529.36
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Solution
The fourth proportional to 4,158,918.99, 6,238,973.58 and 1,280,529.36 is: 1,920,977.27
Step by Step Solution
- Step 1: Write the proportion equation
4,158,918.99 : 6,238,973.58 = 1,280,529.36 : x - Step 2: Convert to fraction form
4,158,918.99/6,238,973.58 = 1,280,529.36/x - Step 3: Cross multiply
4,158,918.99x = 6,238,973.58 × 1,280,529.36 - Step 4: Simplify right side
4,158,918.99x = 7,989,188,845,454.31 - Step 5: Solve for x
x = 7,989,188,845,454.31/4,158,918.99 - Step 6: Final answer
x = 1,920,977.27
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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.