Finding the Fourth Proportional to 4,257,774.90, 6,387,682.95 and 1,417,911.66
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Solution
The fourth proportional to 4,257,774.90, 6,387,682.95 and 1,417,911.66 is: 2,127,207.37
Step by Step Solution
- Step 1: Write the proportion equation
4,257,774.90 : 6,387,682.95 = 1,417,911.66 : x - Step 2: Convert to fraction form
4,257,774.90/6,387,682.95 = 1,417,911.66/x - Step 3: Cross multiply
4,257,774.90x = 6,387,682.95 × 1,417,911.66 - Step 4: Simplify right side
4,257,774.90x = 9,057,170,135,188.20 - Step 5: Solve for x
x = 9,057,170,135,188.20/4,257,774.90 - Step 6: Final answer
x = 2,127,207.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.