Finding the Fourth Proportional to 5,919,671.13, 8,169,146.15 and 3,203,417.13
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Solution
The fourth proportional to 5,919,671.13, 8,169,146.15 and 3,203,417.13 is: 4,420,715.63
Step by Step Solution
- Step 1: Write the proportion equation
5,919,671.13 : 8,169,146.15 = 3,203,417.13 : x - Step 2: Convert to fraction form
5,919,671.13/8,169,146.15 = 3,203,417.13/x - Step 3: Cross multiply
5,919,671.13x = 8,169,146.15 × 3,203,417.13 - Step 4: Simplify right side
5,919,671.13x = 26,169,182,714,383.55 - Step 5: Solve for x
x = 26,169,182,714,383.55/5,919,671.13 - Step 6: Final answer
x = 4,420,715.63
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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.