Finding the Fourth Proportional to 2,943,671.78, 4,417,220.79 and 1,237,691.48
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Solution
The fourth proportional to 2,943,671.78, 4,417,220.79 and 1,237,691.48 is: 1,857,257.52
Step by Step Solution
- Step 1: Write the proportion equation
2,943,671.78 : 4,417,220.79 = 1,237,691.48 : x - Step 2: Convert to fraction form
2,943,671.78/4,417,220.79 = 1,237,691.48/x - Step 3: Cross multiply
2,943,671.78x = 4,417,220.79 × 1,237,691.48 - Step 4: Simplify right side
2,943,671.78x = 5,467,156,537,061.87 - Step 5: Solve for x
x = 5,467,156,537,061.87/2,943,671.78 - Step 6: Final answer
x = 1,857,257.52
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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.