Finding the Fourth Proportional to 2,890,989.04, 4,335,700.20 and 1,207,740.40
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Solution
The fourth proportional to 2,890,989.04, 4,335,700.20 and 1,207,740.40 is: 1,811,283.34
Step by Step Solution
- Step 1: Write the proportion equation
2,890,989.04 : 4,335,700.20 = 1,207,740.40 : x - Step 2: Convert to fraction form
2,890,989.04/4,335,700.20 = 1,207,740.40/x - Step 3: Cross multiply
2,890,989.04x = 4,335,700.20 × 1,207,740.40 - Step 4: Simplify right side
2,890,989.04x = 5,236,400,293,828.08 - Step 5: Solve for x
x = 5,236,400,293,828.08/2,890,989.04 - Step 6: Final answer
x = 1,811,283.34
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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.