Finding the Fourth Proportional to 5,217,925.42, 7,827,424.08 and 1,806,206.68
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Solution
The fourth proportional to 5,217,925.42, 7,827,424.08 and 1,806,206.68 is: 2,709,495.54
Step by Step Solution
- Step 1: Write the proportion equation
5,217,925.42 : 7,827,424.08 = 1,806,206.68 : x - Step 2: Convert to fraction form
5,217,925.42/7,827,424.08 = 1,806,206.68/x - Step 3: Cross multiply
5,217,925.42x = 7,827,424.08 × 1,806,206.68 - Step 4: Simplify right side
5,217,925.42x = 14,137,945,660,488.85 - Step 5: Solve for x
x = 14,137,945,660,488.85/5,217,925.42 - Step 6: Final answer
x = 2,709,495.54
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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.