Finding the Fourth Proportional to 1,828,774.05, 2,523,681.52 and 1,012,975.05
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Solution
The fourth proportional to 1,828,774.05, 2,523,681.52 and 1,012,975.05 is: 1,397,890.80
Step by Step Solution
- Step 1: Write the proportion equation
1,828,774.05 : 2,523,681.52 = 1,012,975.05 : x - Step 2: Convert to fraction form
1,828,774.05/2,523,681.52 = 1,012,975.05/x - Step 3: Cross multiply
1,828,774.05x = 2,523,681.52 × 1,012,975.05 - Step 4: Simplify right side
1,828,774.05x = 2,556,426,413,906.08 - Step 5: Solve for x
x = 2,556,426,413,906.08/1,828,774.05 - Step 6: Final answer
x = 1,397,890.80
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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.