Finding the Fourth Proportional to 1,968,666.54, 2,953,246.05 and 770,434.08
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Solution
The fourth proportional to 1,968,666.54, 2,953,246.05 and 770,434.08 is: 1,155,747.49
Step by Step Solution
- Step 1: Write the proportion equation
1,968,666.54 : 2,953,246.05 = 770,434.08 : x - Step 2: Convert to fraction form
1,968,666.54/2,953,246.05 = 770,434.08/x - Step 3: Cross multiply
1,968,666.54x = 2,953,246.05 × 770,434.08 - Step 4: Simplify right side
1,968,666.54x = 2,275,281,403,545.38 - Step 5: Solve for x
x = 2,275,281,403,545.38/1,968,666.54 - Step 6: Final answer
x = 1,155,747.49
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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.