Finding the Fourth Proportional to 1,624,403.84, 2,240,973.62 and 979,465.75
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Solution
The fourth proportional to 1,624,403.84, 2,240,973.62 and 979,465.75 is: 1,351,238.43
Step by Step Solution
- Step 1: Write the proportion equation
1,624,403.84 : 2,240,973.62 = 979,465.75 : x - Step 2: Convert to fraction form
1,624,403.84/2,240,973.62 = 979,465.75/x - Step 3: Cross multiply
1,624,403.84x = 2,240,973.62 × 979,465.75 - Step 4: Simplify right side
1,624,403.84x = 2,194,956,896,943.75 - Step 5: Solve for x
x = 2,194,956,896,943.75/1,624,403.84 - Step 6: Final answer
x = 1,351,238.43
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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.