Finding the Fourth Proportional to 4,447,210.24, 6,139,265.92 and 2,979,645.76
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Solution
The fourth proportional to 4,447,210.24, 6,139,265.92 and 2,979,645.76 is: 4,113,328.73
Step by Step Solution
- Step 1: Write the proportion equation
4,447,210.24 : 6,139,265.92 = 2,979,645.76 : x - Step 2: Convert to fraction form
4,447,210.24/6,139,265.92 = 2,979,645.76/x - Step 3: Cross multiply
4,447,210.24x = 6,139,265.92 × 2,979,645.76 - Step 4: Simplify right side
4,447,210.24x = 18,292,837,668,040.50 - Step 5: Solve for x
x = 18,292,837,668,040.50/4,447,210.24 - Step 6: Final answer
x = 4,113,328.73
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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.