Finding the Fourth Proportional to 2,153,819.60, 3,230,729.40 and 735,477.20
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Solution
The fourth proportional to 2,153,819.60, 3,230,729.40 and 735,477.20 is: 1,103,215.80
Step by Step Solution
- Step 1: Write the proportion equation
2,153,819.60 : 3,230,729.40 = 735,477.20 : x - Step 2: Convert to fraction form
2,153,819.60/3,230,729.40 = 735,477.20/x - Step 3: Cross multiply
2,153,819.60x = 3,230,729.40 × 735,477.20 - Step 4: Simplify right side
2,153,819.60x = 2,376,127,813,069.68 - Step 5: Solve for x
x = 2,376,127,813,069.68/2,153,819.60 - Step 6: Final answer
x = 1,103,215.80
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1.5x scale
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.