Finding the Fourth Proportional to 2,896,178.58, 3,996,753.99 and 1,607,138.91
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Solution
The fourth proportional to 2,896,178.58, 3,996,753.99 and 1,607,138.91 is: 2,217,866.98
Step by Step Solution
- Step 1: Write the proportion equation
2,896,178.58 : 3,996,753.99 = 1,607,138.91 : x - Step 2: Convert to fraction form
2,896,178.58/3,996,753.99 = 1,607,138.91/x - Step 3: Cross multiply
2,896,178.58x = 3,996,753.99 × 1,607,138.91 - Step 4: Simplify right side
2,896,178.58x = 6,423,338,851,026.75 - Step 5: Solve for x
x = 6,423,338,851,026.75/2,896,178.58 - Step 6: Final answer
x = 2,217,866.98
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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.