Finding the Fourth Proportional to 2,580,975.90, 3,871,980.63 and 1,445,353.07
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Solution
The fourth proportional to 2,580,975.90, 3,871,980.63 and 1,445,353.07 is: 2,168,319.00
Step by Step Solution
- Step 1: Write the proportion equation
2,580,975.90 : 3,871,980.63 = 1,445,353.07 : x - Step 2: Convert to fraction form
2,580,975.90/3,871,980.63 = 1,445,353.07/x - Step 3: Cross multiply
2,580,975.90x = 3,871,980.63 × 1,445,353.07 - Step 4: Simplify right side
2,580,975.90x = 5,596,379,071,191.13 - Step 5: Solve for x
x = 5,596,379,071,191.13/2,580,975.90 - Step 6: Final answer
x = 2,168,319.00
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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.