Finding the Fourth Proportional to 1,567,990.90, 2,353,735.95 and 1,465,201.90
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Solution
The fourth proportional to 1,567,990.90, 2,353,735.95 and 1,465,201.90 is: 2,199,437.76
Step by Step Solution
- Step 1: Write the proportion equation
1,567,990.90 : 2,353,735.95 = 1,465,201.90 : x - Step 2: Convert to fraction form
1,567,990.90/2,353,735.95 = 1,465,201.90/x - Step 3: Cross multiply
1,567,990.90x = 2,353,735.95 × 1,465,201.90 - Step 4: Simplify right side
1,567,990.90x = 3,448,698,386,038.31 - Step 5: Solve for x
x = 3,448,698,386,038.31/1,567,990.90 - Step 6: Final answer
x = 2,199,437.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.