Finding the Fourth Proportional to 2,251,328.40, 3,106,775.99 and 1,257,904.31
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Solution
The fourth proportional to 2,251,328.40, 3,106,775.99 and 1,257,904.31 is: 1,735,875.98
Step by Step Solution
- Step 1: Write the proportion equation
2,251,328.40 : 3,106,775.99 = 1,257,904.31 : x - Step 2: Convert to fraction form
2,251,328.40/3,106,775.99 = 1,257,904.31/x - Step 3: Cross multiply
2,251,328.40x = 3,106,775.99 × 1,257,904.31 - Step 4: Simplify right side
2,251,328.40x = 3,908,026,895,636.40 - Step 5: Solve for x
x = 3,908,026,895,636.40/2,251,328.40 - Step 6: Final answer
x = 1,735,875.98
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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.