Finding the Fourth Proportional to 2,126,758.08, 2,934,809.40 and 1,208,859.60
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Solution
The fourth proportional to 2,126,758.08, 2,934,809.40 and 1,208,859.60 is: 1,668,159.89
Step by Step Solution
- Step 1: Write the proportion equation
2,126,758.08 : 2,934,809.40 = 1,208,859.60 : x - Step 2: Convert to fraction form
2,126,758.08/2,934,809.40 = 1,208,859.60/x - Step 3: Cross multiply
2,126,758.08x = 2,934,809.40 × 1,208,859.60 - Step 4: Simplify right side
2,126,758.08x = 3,547,772,517,360.24 - Step 5: Solve for x
x = 3,547,772,517,360.24/2,126,758.08 - Step 6: Final answer
x = 1,668,159.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.