Finding the Fourth Proportional to 1,971,835.84, 2,721,135.24 and 1,066,417.84
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Solution
The fourth proportional to 1,971,835.84, 2,721,135.24 and 1,066,417.84 is: 1,471,657.58
Step by Step Solution
- Step 1: Write the proportion equation
1,971,835.84 : 2,721,135.24 = 1,066,417.84 : x - Step 2: Convert to fraction form
1,971,835.84/2,721,135.24 = 1,066,417.84/x - Step 3: Cross multiply
1,971,835.84x = 2,721,135.24 × 1,066,417.84 - Step 4: Simplify right side
1,971,835.84x = 2,901,867,164,988.68 - Step 5: Solve for x
x = 2,901,867,164,988.68/1,971,835.84 - Step 6: Final answer
x = 1,471,657.58
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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.