Finding the Fourth Proportional to 4,440,628.12, 6,128,216.04 and 2,721,417.16
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Solution
The fourth proportional to 4,440,628.12, 6,128,216.04 and 2,721,417.16 is: 3,755,647.14
Step by Step Solution
- Step 1: Write the proportion equation
4,440,628.12 : 6,128,216.04 = 2,721,417.16 : x - Step 2: Convert to fraction form
4,440,628.12/6,128,216.04 = 2,721,417.16/x - Step 3: Cross multiply
4,440,628.12x = 6,128,216.04 × 2,721,417.16 - Step 4: Simplify right side
4,440,628.12x = 16,677,432,291,443.25 - Step 5: Solve for x
x = 16,677,432,291,443.25/4,440,628.12 - Step 6: Final answer
x = 3,755,647.14
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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.