Finding the Fourth Proportional to 4,085,124.42, 6,128,498.56 and 1,388,725.68
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Solution
The fourth proportional to 4,085,124.42, 6,128,498.56 and 1,388,725.68 is: 2,083,364.53
Step by Step Solution
- Step 1: Write the proportion equation
4,085,124.42 : 6,128,498.56 = 1,388,725.68 : x - Step 2: Convert to fraction form
4,085,124.42/6,128,498.56 = 1,388,725.68/x - Step 3: Cross multiply
4,085,124.42x = 6,128,498.56 × 1,388,725.68 - Step 4: Simplify right side
4,085,124.42x = 8,510,803,330,115.02 - Step 5: Solve for x
x = 8,510,803,330,115.02/4,085,124.42 - Step 6: Final answer
x = 2,083,364.53
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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.