Finding the Fourth Proportional to 1,974,449.14, 2,961,673.71 and 478,541.14
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Solution
The fourth proportional to 1,974,449.14, 2,961,673.71 and 478,541.14 is: 717,811.71
Step by Step Solution
- Step 1: Write the proportion equation
1,974,449.14 : 2,961,673.71 = 478,541.14 : x - Step 2: Convert to fraction form
1,974,449.14/2,961,673.71 = 478,541.14/x - Step 3: Cross multiply
1,974,449.14x = 2,961,673.71 × 478,541.14 - Step 4: Simplify right side
1,974,449.14x = 1,417,282,713,491.43 - Step 5: Solve for x
x = 1,417,282,713,491.43/1,974,449.14 - Step 6: Final answer
x = 717,811.71
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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.