Finding the Fourth Proportional to 1,589,444.57, 2,199,209.49 and 1,385,919.60
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Solution
The fourth proportional to 1,589,444.57, 2,199,209.49 and 1,385,919.60 is: 1,917,605.44
Step by Step Solution
- Step 1: Write the proportion equation
1,589,444.57 : 2,199,209.49 = 1,385,919.60 : x - Step 2: Convert to fraction form
1,589,444.57/2,199,209.49 = 1,385,919.60/x - Step 3: Cross multiply
1,589,444.57x = 2,199,209.49 × 1,385,919.60 - Step 4: Simplify right side
1,589,444.57x = 3,047,927,536,697.00 - Step 5: Solve for x
x = 3,047,927,536,697.00/1,589,444.57 - Step 6: Final answer
x = 1,917,605.44
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.