Finding the Fourth Proportional to 3,870,536.04, 5,341,378.68 and 2,128,297.32
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Solution
The fourth proportional to 3,870,536.04, 5,341,378.68 and 2,128,297.32 is: 2,937,071.72
Step by Step Solution
- Step 1: Write the proportion equation
3,870,536.04 : 5,341,378.68 = 2,128,297.32 : x - Step 2: Convert to fraction form
3,870,536.04/5,341,378.68 = 2,128,297.32/x - Step 3: Cross multiply
3,870,536.04x = 5,341,378.68 × 2,128,297.32 - Step 4: Simplify right side
3,870,536.04x = 11,368,041,929,749.14 - Step 5: Solve for x
x = 11,368,041,929,749.14/3,870,536.04 - Step 6: Final answer
x = 2,937,071.72
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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.