Finding the Fourth Proportional to 1,589,566.44, 2,199,378.20 and 1,386,041.80
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Solution
The fourth proportional to 1,589,566.44, 2,199,378.20 and 1,386,041.80 is: 1,917,774.58
Step by Step Solution
- Step 1: Write the proportion equation
1,589,566.44 : 2,199,378.20 = 1,386,041.80 : x - Step 2: Convert to fraction form
1,589,566.44/2,199,378.20 = 1,386,041.80/x - Step 3: Cross multiply
1,589,566.44x = 2,199,378.20 × 1,386,041.80 - Step 4: Simplify right side
1,589,566.44x = 3,048,430,119,208.76 - Step 5: Solve for x
x = 3,048,430,119,208.76/1,589,566.44 - Step 6: Final answer
x = 1,917,774.58
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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.