Finding the Fourth Proportional to 1,584,279.02, 2,186,305.63 and 859,126.55
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Solution
The fourth proportional to 1,584,279.02, 2,186,305.63 and 859,126.55 is: 1,185,594.95
Step by Step Solution
- Step 1: Write the proportion equation
1,584,279.02 : 2,186,305.63 = 859,126.55 : x - Step 2: Convert to fraction form
1,584,279.02/2,186,305.63 = 859,126.55/x - Step 3: Cross multiply
1,584,279.02x = 2,186,305.63 × 859,126.55 - Step 4: Simplify right side
1,584,279.02x = 1,878,313,200,068.13 - Step 5: Solve for x
x = 1,878,313,200,068.13/1,584,279.02 - Step 6: Final answer
x = 1,185,594.95
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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.