Finding the Fourth Proportional to 1,693,423.68, 2,539,873.02 and 495,064.32
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Solution
The fourth proportional to 1,693,423.68, 2,539,873.02 and 495,064.32 is: 742,519.74
Step by Step Solution
- Step 1: Write the proportion equation
1,693,423.68 : 2,539,873.02 = 495,064.32 : x - Step 2: Convert to fraction form
1,693,423.68/2,539,873.02 = 495,064.32/x - Step 3: Cross multiply
1,693,423.68x = 2,539,873.02 × 495,064.32 - Step 4: Simplify right side
1,693,423.68x = 1,257,400,509,532.65 - Step 5: Solve for x
x = 1,257,400,509,532.65/1,693,423.68 - Step 6: Final answer
x = 742,519.74
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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.