Finding the Fourth Proportional to 4,938,878.27, 7,408,448.63 and 1,344,718.73
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Solution
The fourth proportional to 4,938,878.27, 7,408,448.63 and 1,344,718.73 is: 2,017,113.83
Step by Step Solution
- Step 1: Write the proportion equation
4,938,878.27 : 7,408,448.63 = 1,344,718.73 : x - Step 2: Convert to fraction form
4,938,878.27/7,408,448.63 = 1,344,718.73/x - Step 3: Cross multiply
4,938,878.27x = 7,408,448.63 × 1,344,718.73 - Step 4: Simplify right side
4,938,878.27x = 9,962,279,649,844.06 - Step 5: Solve for x
x = 9,962,279,649,844.06/4,938,878.27 - Step 6: Final answer
x = 2,017,113.83
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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.