Finding the Fourth Proportional to 4,585,913.80, 6,878,870.70 and 2,595,257.80
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Solution
The fourth proportional to 4,585,913.80, 6,878,870.70 and 2,595,257.80 is: 3,892,886.70
Step by Step Solution
- Step 1: Write the proportion equation
4,585,913.80 : 6,878,870.70 = 2,595,257.80 : x - Step 2: Convert to fraction form
4,585,913.80/6,878,870.70 = 2,595,257.80/x - Step 3: Cross multiply
4,585,913.80x = 6,878,870.70 × 2,595,257.80 - Step 4: Simplify right side
4,585,913.80x = 17,852,442,839,366.46 - Step 5: Solve for x
x = 17,852,442,839,366.46/4,585,913.80 - Step 6: Final answer
x = 3,892,886.70
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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.