Finding the Fourth Proportional to 1,813,399.74, 2,502,392.79 and 997,471.71
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Solution
The fourth proportional to 1,813,399.74, 2,502,392.79 and 997,471.71 is: 1,376,456.59
Step by Step Solution
- Step 1: Write the proportion equation
1,813,399.74 : 2,502,392.79 = 997,471.71 : x - Step 2: Convert to fraction form
1,813,399.74/2,502,392.79 = 997,471.71/x - Step 3: Cross multiply
1,813,399.74x = 2,502,392.79 × 997,471.71 - Step 4: Simplify right side
1,813,399.74x = 2,496,066,015,332.97 - Step 5: Solve for x
x = 2,496,066,015,332.97/1,813,399.74 - Step 6: Final answer
x = 1,376,456.59
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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.