Finding the Fourth Proportional to 4,480,743.60, 6,720,337.80 and 1,639,393.20
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Solution
The fourth proportional to 4,480,743.60, 6,720,337.80 and 1,639,393.20 is: 2,458,805.30
Step by Step Solution
- Step 1: Write the proportion equation
4,480,743.60 : 6,720,337.80 = 1,639,393.20 : x - Step 2: Convert to fraction form
4,480,743.60/6,720,337.80 = 1,639,393.20/x - Step 3: Cross multiply
4,480,743.60x = 6,720,337.80 × 1,639,393.20 - Step 4: Simplify right side
4,480,743.60x = 11,017,276,091,022.96 - Step 5: Solve for x
x = 11,017,276,091,022.96/4,480,743.60 - Step 6: Final answer
x = 2,458,805.30
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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.