Finding the Fourth Proportional to 5,069,869.60, 7,605,956.40 and 1,704,416.80
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Solution
The fourth proportional to 5,069,869.60, 7,605,956.40 and 1,704,416.80 is: 2,557,012.49
Step by Step Solution
- Step 1: Write the proportion equation
5,069,869.60 : 7,605,956.40 = 1,704,416.80 : x - Step 2: Convert to fraction form
5,069,869.60/7,605,956.40 = 1,704,416.80/x - Step 3: Cross multiply
5,069,869.60x = 7,605,956.40 × 1,704,416.80 - Step 4: Simplify right side
5,069,869.60x = 12,963,719,868,227.52 - Step 5: Solve for x
x = 12,963,719,868,227.52/5,069,869.60 - Step 6: Final answer
x = 2,557,012.49
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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.