Finding the Fourth Proportional to 1,911,368.84, 2,867,497.02 and 631,899.12
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Solution
The fourth proportional to 1,911,368.84, 2,867,497.02 and 631,899.12 is: 947,995.39
Step by Step Solution
- Step 1: Write the proportion equation
1,911,368.84 : 2,867,497.02 = 631,899.12 : x - Step 2: Convert to fraction form
1,911,368.84/2,867,497.02 = 631,899.12/x - Step 3: Cross multiply
1,911,368.84x = 2,867,497.02 × 631,899.12 - Step 4: Simplify right side
1,911,368.84x = 1,811,968,843,540.62 - Step 5: Solve for x
x = 1,811,968,843,540.62/1,911,368.84 - Step 6: Final answer
x = 947,995.39
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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.