Finding the Fourth Proportional to 3,340,777.99, 4,610,273.61 and 1,812,885.11
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Solution
The fourth proportional to 3,340,777.99, 4,610,273.61 and 1,812,885.11 is: 2,501,781.45
Step by Step Solution
- Step 1: Write the proportion equation
3,340,777.99 : 4,610,273.61 = 1,812,885.11 : x - Step 2: Convert to fraction form
3,340,777.99/4,610,273.61 = 1,812,885.11/x - Step 3: Cross multiply
3,340,777.99x = 4,610,273.61 × 1,812,885.11 - Step 4: Simplify right side
3,340,777.99x = 8,357,896,377,916.37 - Step 5: Solve for x
x = 8,357,896,377,916.37/3,340,777.99 - Step 6: Final answer
x = 2,501,781.45
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1.5x scale
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.