Finding the Fourth Proportional to 1,668,814.84, 2,303,009.75 and 943,770.98
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Solution
The fourth proportional to 1,668,814.84, 2,303,009.75 and 943,770.98 is: 1,302,429.56
Step by Step Solution
- Step 1: Write the proportion equation
1,668,814.84 : 2,303,009.75 = 943,770.98 : x - Step 2: Convert to fraction form
1,668,814.84/2,303,009.75 = 943,770.98/x - Step 3: Cross multiply
1,668,814.84x = 2,303,009.75 × 943,770.98 - Step 4: Simplify right side
1,668,814.84x = 2,173,513,763,869.58 - Step 5: Solve for x
x = 2,173,513,763,869.58/1,668,814.84 - Step 6: Final answer
x = 1,302,429.56
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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.