Finding the Fourth Proportional to 1,658,216.21, 2,487,340.71 and 698,833.98
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Solution
The fourth proportional to 1,658,216.21, 2,487,340.71 and 698,833.98 is: 1,048,257.88
Step by Step Solution
- Step 1: Write the proportion equation
1,658,216.21 : 2,487,340.71 = 698,833.98 : x - Step 2: Convert to fraction form
1,658,216.21/2,487,340.71 = 698,833.98/x - Step 3: Cross multiply
1,658,216.21x = 2,487,340.71 × 698,833.98 - Step 4: Simplify right side
1,658,216.21x = 1,738,238,207,985.33 - Step 5: Solve for x
x = 1,738,238,207,985.33/1,658,216.21 - Step 6: Final answer
x = 1,048,257.88
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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.