Finding the Fourth Proportional to 4,782,027.12, 6,599,957.40 and 2,947,565.04
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Solution
The fourth proportional to 4,782,027.12, 6,599,957.40 and 2,947,565.04 is: 4,068,108.19
Step by Step Solution
- Step 1: Write the proportion equation
4,782,027.12 : 6,599,957.40 = 2,947,565.04 : x - Step 2: Convert to fraction form
4,782,027.12/6,599,957.40 = 2,947,565.04/x - Step 3: Cross multiply
4,782,027.12x = 6,599,957.40 × 2,947,565.04 - Step 4: Simplify right side
4,782,027.12x = 19,453,803,697,729.30 - Step 5: Solve for x
x = 19,453,803,697,729.30/4,782,027.12 - Step 6: Final answer
x = 4,068,108.19
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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.