Finding the Fourth Proportional to 1,645,017.60, 2,471,212.80 and 1,577,843.20
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Solution
The fourth proportional to 1,645,017.60, 2,471,212.80 and 1,577,843.20 is: 2,370,300.67
Step by Step Solution
- Step 1: Write the proportion equation
1,645,017.60 : 2,471,212.80 = 1,577,843.20 : x - Step 2: Convert to fraction form
1,645,017.60/2,471,212.80 = 1,577,843.20/x - Step 3: Cross multiply
1,645,017.60x = 2,471,212.80 × 1,577,843.20 - Step 4: Simplify right side
1,645,017.60x = 3,899,186,312,232.96 - Step 5: Solve for x
x = 3,899,186,312,232.96/1,645,017.60 - Step 6: Final answer
x = 2,370,300.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.