Finding the Fourth Proportional to 4,917,803.10, 7,368,831.45 and 3,117,464.70
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Solution
The fourth proportional to 4,917,803.10, 7,368,831.45 and 3,117,464.70 is: 4,671,206.12
Step by Step Solution
- Step 1: Write the proportion equation
4,917,803.10 : 7,368,831.45 = 3,117,464.70 : x - Step 2: Convert to fraction form
4,917,803.10/7,368,831.45 = 3,117,464.70/x - Step 3: Cross multiply
4,917,803.10x = 7,368,831.45 × 3,117,464.70 - Step 4: Simplify right side
4,917,803.10x = 22,972,071,925,624.82 - Step 5: Solve for x
x = 22,972,071,925,624.82/4,917,803.10 - Step 6: Final answer
x = 4,671,206.12
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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.