Finding the Fourth Proportional to 6,346,789.60, 8,758,330.50 and 3,446,117.76
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Solution
The fourth proportional to 6,346,789.60, 8,758,330.50 and 3,446,117.76 is: 4,755,512.66
Step by Step Solution
- Step 1: Write the proportion equation
6,346,789.60 : 8,758,330.50 = 3,446,117.76 : x - Step 2: Convert to fraction form
6,346,789.60/8,758,330.50 = 3,446,117.76/x - Step 3: Cross multiply
6,346,789.60x = 8,758,330.50 × 3,446,117.76 - Step 4: Simplify right side
6,346,789.60x = 30,182,238,283,999.68 - Step 5: Solve for x
x = 30,182,238,283,999.68/6,346,789.60 - Step 6: Final answer
x = 4,755,512.66
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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.