Finding the Fourth Proportional to 1,518,882.65, 2,095,070.49 and 974,155.62
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Solution
The fourth proportional to 1,518,882.65, 2,095,070.49 and 974,155.62 is: 1,343,701.37
Step by Step Solution
- Step 1: Write the proportion equation
1,518,882.65 : 2,095,070.49 = 974,155.62 : x - Step 2: Convert to fraction form
1,518,882.65/2,095,070.49 = 974,155.62/x - Step 3: Cross multiply
1,518,882.65x = 2,095,070.49 × 974,155.62 - Step 4: Simplify right side
1,518,882.65x = 2,040,924,692,129.65 - Step 5: Solve for x
x = 2,040,924,692,129.65/1,518,882.65 - Step 6: Final answer
x = 1,343,701.37
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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.