Finding the Fourth Proportional to 3,125,436.18, 4,688,335.71 and 1,206,358.26
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Solution
The fourth proportional to 3,125,436.18, 4,688,335.71 and 1,206,358.26 is: 1,809,607.42
Step by Step Solution
- Step 1: Write the proportion equation
3,125,436.18 : 4,688,335.71 = 1,206,358.26 : x - Step 2: Convert to fraction form
3,125,436.18/4,688,335.71 = 1,206,358.26/x - Step 3: Cross multiply
3,125,436.18x = 4,688,335.71 × 1,206,358.26 - Step 4: Simplify right side
3,125,436.18x = 5,655,812,509,411.47 - Step 5: Solve for x
x = 5,655,812,509,411.47/3,125,436.18 - Step 6: Final answer
x = 1,809,607.42
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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.