Finding the Fourth Proportional to 4,883,021.20, 7,319,347.80 and 2,357,030.80
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Solution
The fourth proportional to 4,883,021.20, 7,319,347.80 and 2,357,030.80 is: 3,533,043.89
Step by Step Solution
- Step 1: Write the proportion equation
4,883,021.20 : 7,319,347.80 = 2,357,030.80 : x - Step 2: Convert to fraction form
4,883,021.20/7,319,347.80 = 2,357,030.80/x - Step 3: Cross multiply
4,883,021.20x = 7,319,347.80 × 2,357,030.80 - Step 4: Simplify right side
4,883,021.20x = 17,251,928,200,512.24 - Step 5: Solve for x
x = 17,251,928,200,512.24/4,883,021.20 - Step 6: Final answer
x = 3,533,043.89
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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.