Finding the Fourth Proportional to 4,158,567.88, 6,238,442.99 and 1,280,174.71
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Solution
The fourth proportional to 4,158,567.88, 6,238,442.99 and 1,280,174.71 is: 1,920,444.05
Step by Step Solution
- Step 1: Write the proportion equation
4,158,567.88 : 6,238,442.99 = 1,280,174.71 : x - Step 2: Convert to fraction form
4,158,567.88/6,238,442.99 = 1,280,174.71/x - Step 3: Cross multiply
4,158,567.88x = 6,238,442.99 × 1,280,174.71 - Step 4: Simplify right side
4,158,567.88x = 7,986,296,945,574.78 - Step 5: Solve for x
x = 7,986,296,945,574.78/4,158,567.88 - Step 6: Final answer
x = 1,920,444.05
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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.