Finding the Fourth Proportional to 1,938,069.02, 2,906,881.66 and 518,235.81
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Solution
The fourth proportional to 1,938,069.02, 2,906,881.66 and 518,235.81 is: 777,294.39
Step by Step Solution
- Step 1: Write the proportion equation
1,938,069.02 : 2,906,881.66 = 518,235.81 : x - Step 2: Convert to fraction form
1,938,069.02/2,906,881.66 = 518,235.81/x - Step 3: Cross multiply
1,938,069.02x = 2,906,881.66 × 518,235.81 - Step 4: Simplify right side
1,938,069.02x = 1,506,450,171,644.24 - Step 5: Solve for x
x = 1,506,450,171,644.24/1,938,069.02 - Step 6: Final answer
x = 777,294.39
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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.