Finding the Fourth Proportional to 4,938,226.91, 6,813,438.95 and 3,389,962.13
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Solution
The fourth proportional to 4,938,226.91, 6,813,438.95 and 3,389,962.13 is: 4,677,245.59
Step by Step Solution
- Step 1: Write the proportion equation
4,938,226.91 : 6,813,438.95 = 3,389,962.13 : x - Step 2: Convert to fraction form
4,938,226.91/6,813,438.95 = 3,389,962.13/x - Step 3: Cross multiply
4,938,226.91x = 6,813,438.95 × 3,389,962.13 - Step 4: Simplify right side
4,938,226.91x = 23,097,299,989,974.67 - Step 5: Solve for x
x = 23,097,299,989,974.67/4,938,226.91 - Step 6: Final answer
x = 4,677,245.59
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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.