Finding the Fourth Proportional to 4,127,070.32, 5,695,368.11 and 2,291,532.15
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Solution
The fourth proportional to 4,127,070.32, 5,695,368.11 and 2,291,532.15 is: 3,162,320.52
Step by Step Solution
- Step 1: Write the proportion equation
4,127,070.32 : 5,695,368.11 = 2,291,532.15 : x - Step 2: Convert to fraction form
4,127,070.32/5,695,368.11 = 2,291,532.15/x - Step 3: Cross multiply
4,127,070.32x = 5,695,368.11 × 2,291,532.15 - Step 4: Simplify right side
4,127,070.32x = 13,051,119,155,087.88 - Step 5: Solve for x
x = 13,051,119,155,087.88/4,127,070.32 - Step 6: Final answer
x = 3,162,320.52
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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.