Finding the Fourth Proportional to 1,712,763.52, 2,364,394.56 and 1,223,102.08
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Solution
The fourth proportional to 1,712,763.52, 2,364,394.56 and 1,223,102.08 is: 1,688,438.52
Step by Step Solution
- Step 1: Write the proportion equation
1,712,763.52 : 2,364,394.56 = 1,223,102.08 : x - Step 2: Convert to fraction form
1,712,763.52/2,364,394.56 = 1,223,102.08/x - Step 3: Cross multiply
1,712,763.52x = 2,364,394.56 × 1,223,102.08 - Step 4: Simplify right side
1,712,763.52x = 2,891,895,904,276.69 - Step 5: Solve for x
x = 2,891,895,904,276.69/1,712,763.52 - Step 6: Final answer
x = 1,688,438.52
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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.