Finding the Fourth Proportional to 4,865,992.70, 6,714,798.56 and 2,690,405.18
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Solution
The fourth proportional to 4,865,992.70, 6,714,798.56 and 2,690,405.18 is: 3,712,609.11
Step by Step Solution
- Step 1: Write the proportion equation
4,865,992.70 : 6,714,798.56 = 2,690,405.18 : x - Step 2: Convert to fraction form
4,865,992.70/6,714,798.56 = 2,690,405.18/x - Step 3: Cross multiply
4,865,992.70x = 6,714,798.56 × 2,690,405.18 - Step 4: Simplify right side
4,865,992.70x = 18,065,528,828,480.54 - Step 5: Solve for x
x = 18,065,528,828,480.54/4,865,992.70 - Step 6: Final answer
x = 3,712,609.11
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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.