Finding the Fourth Proportional to 2,974,430.57, 4,104,774.83 and 1,616,391.05
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Solution
The fourth proportional to 2,974,430.57, 4,104,774.83 and 1,616,391.05 is: 2,230,652.60
Step by Step Solution
- Step 1: Write the proportion equation
2,974,430.57 : 4,104,774.83 = 1,616,391.05 : x - Step 2: Convert to fraction form
2,974,430.57/4,104,774.83 = 1,616,391.05/x - Step 3: Cross multiply
2,974,430.57x = 4,104,774.83 × 1,616,391.05 - Step 4: Simplify right side
2,974,430.57x = 6,634,921,280,994.38 - Step 5: Solve for x
x = 6,634,921,280,994.38/2,974,430.57 - Step 6: Final answer
x = 2,230,652.60
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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.