Finding the Fourth Proportional to 4,787,053.66, 6,605,479.83 and 2,749,862.62
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Solution
The fourth proportional to 4,787,053.66, 6,605,479.83 and 2,749,862.62 is: 3,794,434.61
Step by Step Solution
- Step 1: Write the proportion equation
4,787,053.66 : 6,605,479.83 = 2,749,862.62 : x - Step 2: Convert to fraction form
4,787,053.66/6,605,479.83 = 2,749,862.62/x - Step 3: Cross multiply
4,787,053.66x = 6,605,479.83 × 2,749,862.62 - Step 4: Simplify right side
4,787,053.66x = 18,164,162,071,680.96 - Step 5: Solve for x
x = 18,164,162,071,680.96/4,787,053.66 - Step 6: Final answer
x = 3,794,434.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.