Finding the Fourth Proportional to 5,137,258.84, 7,708,709.46 and 2,980,920.58
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Solution
The fourth proportional to 5,137,258.84, 7,708,709.46 and 2,980,920.58 is: 4,473,017.89
Step by Step Solution
- Step 1: Write the proportion equation
5,137,258.84 : 7,708,709.46 = 2,980,920.58 : x - Step 2: Convert to fraction form
5,137,258.84/7,708,709.46 = 2,980,920.58/x - Step 3: Cross multiply
5,137,258.84x = 7,708,709.46 × 2,980,920.58 - Step 4: Simplify right side
5,137,258.84x = 22,979,050,674,554.69 - Step 5: Solve for x
x = 22,979,050,674,554.69/5,137,258.84 - Step 6: Final answer
x = 4,473,017.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.