Finding the Fourth Proportional to 1,584,290.57, 2,186,321.49 and 859,138.07
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Solution
The fourth proportional to 1,584,290.57, 2,186,321.49 and 859,138.07 is: 1,185,610.81
Step by Step Solution
- Step 1: Write the proportion equation
1,584,290.57 : 2,186,321.49 = 859,138.07 : x - Step 2: Convert to fraction form
1,584,290.57/2,186,321.49 = 859,138.07/x - Step 3: Cross multiply
1,584,290.57x = 2,186,321.49 × 859,138.07 - Step 4: Simplify right side
1,584,290.57x = 1,878,352,014,386.52 - Step 5: Solve for x
x = 1,878,352,014,386.52/1,584,290.57 - Step 6: Final answer
x = 1,185,610.81
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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.