Finding the Fourth Proportional to 2,186,259.76, 3,272,663.58 and 1,426,465.20
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Solution
The fourth proportional to 2,186,259.76, 3,272,663.58 and 1,426,465.20 is: 2,135,309.26
Step by Step Solution
- Step 1: Write the proportion equation
2,186,259.76 : 3,272,663.58 = 1,426,465.20 : x - Step 2: Convert to fraction form
2,186,259.76/3,272,663.58 = 1,426,465.20/x - Step 3: Cross multiply
2,186,259.76x = 3,272,663.58 × 1,426,465.20 - Step 4: Simplify right side
2,186,259.76x = 4,668,340,708,177.42 - Step 5: Solve for x
x = 4,668,340,708,177.42/2,186,259.76 - Step 6: Final answer
x = 2,135,309.26
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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.