Finding the Fourth Proportional to 1,557,956.40, 2,336,934.60 and 1,475,287.80
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Solution
The fourth proportional to 1,557,956.40, 2,336,934.60 and 1,475,287.80 is: 2,212,931.70
Step by Step Solution
- Step 1: Write the proportion equation
1,557,956.40 : 2,336,934.60 = 1,475,287.80 : x - Step 2: Convert to fraction form
1,557,956.40/2,336,934.60 = 1,475,287.80/x - Step 3: Cross multiply
1,557,956.40x = 2,336,934.60 × 1,475,287.80 - Step 4: Simplify right side
1,557,956.40x = 3,447,651,104,777.88 - Step 5: Solve for x
x = 3,447,651,104,777.88/1,557,956.40 - Step 6: Final answer
x = 2,212,931.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.