Finding the Fourth Proportional to 1,668,520.08, 2,301,334.74 and 1,095,351.12
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Solution
The fourth proportional to 1,668,520.08, 2,301,334.74 and 1,095,351.12 is: 1,510,781.69
Step by Step Solution
- Step 1: Write the proportion equation
1,668,520.08 : 2,301,334.74 = 1,095,351.12 : x - Step 2: Convert to fraction form
1,668,520.08/2,301,334.74 = 1,095,351.12/x - Step 3: Cross multiply
1,668,520.08x = 2,301,334.74 × 1,095,351.12 - Step 4: Simplify right side
1,668,520.08x = 2,520,769,584,953.91 - Step 5: Solve for x
x = 2,520,769,584,953.91/1,668,520.08 - Step 6: Final answer
x = 1,510,781.69
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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.