Finding the Fourth Proportional to 1,587,430.95, 2,190,695.46 and 862,320.17
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Solution
The fourth proportional to 1,587,430.95, 2,190,695.46 and 862,320.17 is: 1,190,023.96
Step by Step Solution
- Step 1: Write the proportion equation
1,587,430.95 : 2,190,695.46 = 862,320.17 : x - Step 2: Convert to fraction form
1,587,430.95/2,190,695.46 = 862,320.17/x - Step 3: Cross multiply
1,587,430.95x = 2,190,695.46 × 862,320.17 - Step 4: Simplify right side
1,587,430.95x = 1,889,080,870,531.95 - Step 5: Solve for x
x = 1,889,080,870,531.95/1,587,430.95 - Step 6: Final answer
x = 1,190,023.96
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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.