Finding the Fourth Proportional to 4,985,004.06, 7,478,767.08 and 1,390,768.38
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Solution
The fourth proportional to 4,985,004.06, 7,478,767.08 and 1,390,768.38 is: 2,086,504.37
Step by Step Solution
- Step 1: Write the proportion equation
4,985,004.06 : 7,478,767.08 = 1,390,768.38 : x - Step 2: Convert to fraction form
4,985,004.06/7,478,767.08 = 1,390,768.38/x - Step 3: Cross multiply
4,985,004.06x = 7,478,767.08 × 1,390,768.38 - Step 4: Simplify right side
4,985,004.06x = 10,401,232,776,248.93 - Step 5: Solve for x
x = 10,401,232,776,248.93/4,985,004.06 - Step 6: Final answer
x = 2,086,504.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.