Finding the Fourth Proportional to 3,771,188.81, 5,205,337.20 and 2,464,637.40
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Solution
The fourth proportional to 3,771,188.81, 5,205,337.20 and 2,464,637.40 is: 3,401,916.32
Step by Step Solution
- Step 1: Write the proportion equation
3,771,188.81 : 5,205,337.20 = 2,464,637.40 : x - Step 2: Convert to fraction form
3,771,188.81/5,205,337.20 = 2,464,637.40/x - Step 3: Cross multiply
3,771,188.81x = 5,205,337.20 × 2,464,637.40 - Step 4: Simplify right side
3,771,188.81x = 12,829,268,742,731.28 - Step 5: Solve for x
x = 12,829,268,742,731.28/3,771,188.81 - Step 6: Final answer
x = 3,401,916.32
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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.