Finding the Fourth Proportional to 2,106,373.60, 2,906,789.24 and 1,139,503.68
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Solution
The fourth proportional to 2,106,373.60, 2,906,789.24 and 1,139,503.68 is: 1,572,511.66
Step by Step Solution
- Step 1: Write the proportion equation
2,106,373.60 : 2,906,789.24 = 1,139,503.68 : x - Step 2: Convert to fraction form
2,106,373.60/2,906,789.24 = 1,139,503.68/x - Step 3: Cross multiply
2,106,373.60x = 2,906,789.24 × 1,139,503.68 - Step 4: Simplify right side
2,106,373.60x = 3,312,297,035,964.40 - Step 5: Solve for x
x = 3,312,297,035,964.40/2,106,373.60 - Step 6: Final answer
x = 1,572,511.66
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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.