Finding the Fourth Proportional to 5,314,820.16, 7,968,368.16 and 2,118,987.84
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Solution
The fourth proportional to 5,314,820.16, 7,968,368.16 and 2,118,987.84 is: 3,176,941.97
Step by Step Solution
- Step 1: Write the proportion equation
5,314,820.16 : 7,968,368.16 = 2,118,987.84 : x - Step 2: Convert to fraction form
5,314,820.16/7,968,368.16 = 2,118,987.84/x - Step 3: Cross multiply
5,314,820.16x = 7,968,368.16 × 2,118,987.84 - Step 4: Simplify right side
5,314,820.16x = 16,884,875,235,683.17 - Step 5: Solve for x
x = 16,884,875,235,683.17/5,314,820.16 - Step 6: Final answer
x = 3,176,941.97
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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.