Finding the Fourth Proportional to 1,920,753.71, 2,859,722.79 and 1,893,929.47
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Solution
The fourth proportional to 1,920,753.71, 2,859,722.79 and 1,893,929.47 is: 2,819,785.41
Step by Step Solution
- Step 1: Write the proportion equation
1,920,753.71 : 2,859,722.79 = 1,893,929.47 : x - Step 2: Convert to fraction form
1,920,753.71/2,859,722.79 = 1,893,929.47/x - Step 3: Cross multiply
1,920,753.71x = 2,859,722.79 × 1,893,929.47 - Step 4: Simplify right side
1,920,753.71x = 5,416,113,277,783.08 - Step 5: Solve for x
x = 5,416,113,277,783.08/1,920,753.71 - Step 6: Final answer
x = 2,819,785.41
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.