Finding the Fourth Proportional to 3,572,386.93, 5,358,363.18 and 1,266,994.09
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Solution
The fourth proportional to 3,572,386.93, 5,358,363.18 and 1,266,994.09 is: 1,900,414.10
Step by Step Solution
- Step 1: Write the proportion equation
3,572,386.93 : 5,358,363.18 = 1,266,994.09 : x - Step 2: Convert to fraction form
3,572,386.93/5,358,363.18 = 1,266,994.09/x - Step 3: Cross multiply
3,572,386.93x = 5,358,363.18 × 1,266,994.09 - Step 4: Simplify right side
3,572,386.93x = 6,789,014,481,133.61 - Step 5: Solve for x
x = 6,789,014,481,133.61/3,572,386.93 - Step 6: Final answer
x = 1,900,414.10
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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.