Finding the Fourth Proportional to 6,401,244.99, 8,831,038.68 and 4,196,637.21
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Solution
The fourth proportional to 6,401,244.99, 8,831,038.68 and 4,196,637.21 is: 5,789,602.74
Step by Step Solution
- Step 1: Write the proportion equation
6,401,244.99 : 8,831,038.68 = 4,196,637.21 : x - Step 2: Convert to fraction form
6,401,244.99/8,831,038.68 = 4,196,637.21/x - Step 3: Cross multiply
6,401,244.99x = 8,831,038.68 × 4,196,637.21 - Step 4: Simplify right side
6,401,244.99x = 37,060,665,527,437.28 - Step 5: Solve for x
x = 37,060,665,527,437.28/6,401,244.99 - Step 6: Final answer
x = 5,789,602.74
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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.