Finding the Fourth Proportional to 1,565,332.18, 2,347,445.22 and 744,574.18
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Solution
The fourth proportional to 1,565,332.18, 2,347,445.22 and 744,574.18 is: 1,116,598.20
Step by Step Solution
- Step 1: Write the proportion equation
1,565,332.18 : 2,347,445.22 = 744,574.18 : x - Step 2: Convert to fraction form
1,565,332.18/2,347,445.22 = 744,574.18/x - Step 3: Cross multiply
1,565,332.18x = 2,347,445.22 × 744,574.18 - Step 4: Simplify right side
1,565,332.18x = 1,747,847,099,776.42 - Step 5: Solve for x
x = 1,747,847,099,776.42/1,565,332.18 - Step 6: Final answer
x = 1,116,598.20
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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.