Finding the Fourth Proportional to 1,671,408.98, 2,301,379.86 and 1,305,364.71
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Solution
The fourth proportional to 1,671,408.98, 2,301,379.86 and 1,305,364.71 is: 1,797,369.82
Step by Step Solution
- Step 1: Write the proportion equation
1,671,408.98 : 2,301,379.86 = 1,305,364.71 : x - Step 2: Convert to fraction form
1,671,408.98/2,301,379.86 = 1,305,364.71/x - Step 3: Cross multiply
1,671,408.98x = 2,301,379.86 × 1,305,364.71 - Step 4: Simplify right side
1,671,408.98x = 3,004,140,053,548.74 - Step 5: Solve for x
x = 3,004,140,053,548.74/1,671,408.98 - Step 6: Final answer
x = 1,797,369.82
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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.