Finding the Fourth Proportional to 1,603,648.98, 2,213,029.08 and 878,495.67
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Solution
The fourth proportional to 1,603,648.98, 2,213,029.08 and 878,495.67 is: 1,212,320.46
Step by Step Solution
- Step 1: Write the proportion equation
1,603,648.98 : 2,213,029.08 = 878,495.67 : x - Step 2: Convert to fraction form
1,603,648.98/2,213,029.08 = 878,495.67/x - Step 3: Cross multiply
1,603,648.98x = 2,213,029.08 × 878,495.67 - Step 4: Simplify right side
1,603,648.98x = 1,944,136,464,364.08 - Step 5: Solve for x
x = 1,944,136,464,364.08/1,603,648.98 - Step 6: Final answer
x = 1,212,320.46
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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.