Finding the Fourth Proportional to 2,106,925.49, 2,907,547.84 and 1,140,072.91
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Solution
The fourth proportional to 2,106,925.49, 2,907,547.84 and 1,140,072.91 is: 1,573,295.56
Step by Step Solution
- Step 1: Write the proportion equation
2,106,925.49 : 2,907,547.84 = 1,140,072.91 : x - Step 2: Convert to fraction form
2,106,925.49/2,907,547.84 = 1,140,072.91/x - Step 3: Cross multiply
2,106,925.49x = 2,907,547.84 × 1,140,072.91 - Step 4: Simplify right side
2,106,925.49x = 3,314,816,526,913.01 - Step 5: Solve for x
x = 3,314,816,526,913.01/2,106,925.49 - Step 6: Final answer
x = 1,573,295.56
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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.