Finding the Fourth Proportional to 2,999,454.24, 4,139,247.12 and 1,641,327.36
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Solution
The fourth proportional to 2,999,454.24, 4,139,247.12 and 1,641,327.36 is: 2,265,031.90
Step by Step Solution
- Step 1: Write the proportion equation
2,999,454.24 : 4,139,247.12 = 1,641,327.36 : x - Step 2: Convert to fraction form
2,999,454.24/4,139,247.12 = 1,641,327.36/x - Step 3: Cross multiply
2,999,454.24x = 4,139,247.12 × 1,641,327.36 - Step 4: Simplify right side
2,999,454.24x = 6,793,859,547,857.20 - Step 5: Solve for x
x = 6,793,859,547,857.20/2,999,454.24 - Step 6: Final answer
x = 2,265,031.90
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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.