Finding the Fourth Proportional to 1,712,277.55, 2,362,937.12 and 987,121.81
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Solution
The fourth proportional to 1,712,277.55, 2,362,937.12 and 987,121.81 is: 1,362,224.69
Step by Step Solution
- Step 1: Write the proportion equation
1,712,277.55 : 2,362,937.12 = 987,121.81 : x - Step 2: Convert to fraction form
1,712,277.55/2,362,937.12 = 987,121.81/x - Step 3: Cross multiply
1,712,277.55x = 2,362,937.12 × 987,121.81 - Step 4: Simplify right side
1,712,277.55x = 2,332,506,759,669.34 - Step 5: Solve for x
x = 2,332,506,759,669.34/1,712,277.55 - Step 6: Final answer
x = 1,362,224.69
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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.