Finding the Fourth Proportional to 2,938,547.25, 4,054,972.84 and 1,649,138.53
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Solution
The fourth proportional to 2,938,547.25, 4,054,972.84 and 1,649,138.53 is: 2,275,686.38
Step by Step Solution
- Step 1: Write the proportion equation
2,938,547.25 : 4,054,972.84 = 1,649,138.53 : x - Step 2: Convert to fraction form
2,938,547.25/4,054,972.84 = 1,649,138.53/x - Step 3: Cross multiply
2,938,547.25x = 4,054,972.84 × 1,649,138.53 - Step 4: Simplify right side
2,938,547.25x = 6,687,211,948,547.53 - Step 5: Solve for x
x = 6,687,211,948,547.53/2,938,547.25 - Step 6: Final answer
x = 2,275,686.38
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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.