Finding the Fourth Proportional to 1,624,746.27, 2,241,443.97 and 979,808.07
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Solution
The fourth proportional to 1,624,746.27, 2,241,443.97 and 979,808.07 is: 1,351,709.45
Step by Step Solution
- Step 1: Write the proportion equation
1,624,746.27 : 2,241,443.97 = 979,808.07 : x - Step 2: Convert to fraction form
1,624,746.27/2,241,443.97 = 979,808.07/x - Step 3: Cross multiply
1,624,746.27x = 2,241,443.97 × 979,808.07 - Step 4: Simplify right side
1,624,746.27x = 2,196,184,890,258.84 - Step 5: Solve for x
x = 2,196,184,890,258.84/1,624,746.27 - Step 6: Final answer
x = 1,351,709.45
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1.5x scale
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.