Finding the Fourth Proportional to 1,695,846.87, 2,340,398.88 and 970,921.98
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Solution
The fourth proportional to 1,695,846.87, 2,340,398.88 and 970,921.98 is: 1,339,946.88
Step by Step Solution
- Step 1: Write the proportion equation
1,695,846.87 : 2,340,398.88 = 970,921.98 : x - Step 2: Convert to fraction form
1,695,846.87/2,340,398.88 = 970,921.98/x - Step 3: Cross multiply
1,695,846.87x = 2,340,398.88 × 970,921.98 - Step 4: Simplify right side
1,695,846.87x = 2,272,344,714,559.38 - Step 5: Solve for x
x = 2,272,344,714,559.38/1,695,846.87 - Step 6: Final answer
x = 1,339,946.88
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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.