Finding the Fourth Proportional to 6,390,774.84, 8,819,329.74 and 3,637,327.26
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Solution
The fourth proportional to 6,390,774.84, 8,819,329.74 and 3,637,327.26 is: 5,019,546.03
Step by Step Solution
- Step 1: Write the proportion equation
6,390,774.84 : 8,819,329.74 = 3,637,327.26 : x - Step 2: Convert to fraction form
6,390,774.84/8,819,329.74 = 3,637,327.26/x - Step 3: Cross multiply
6,390,774.84x = 8,819,329.74 × 3,637,327.26 - Step 4: Simplify right side
6,390,774.84x = 32,078,788,478,230.71 - Step 5: Solve for x
x = 32,078,788,478,230.71/6,390,774.84 - Step 6: Final answer
x = 5,019,546.03
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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.