Finding the Fourth Proportional to 2,101,248.95, 2,900,449.14 and 1,230,363.59
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Solution
The fourth proportional to 2,101,248.95, 2,900,449.14 and 1,230,363.59 is: 1,698,326.61
Step by Step Solution
- Step 1: Write the proportion equation
2,101,248.95 : 2,900,449.14 = 1,230,363.59 : x - Step 2: Convert to fraction form
2,101,248.95/2,900,449.14 = 1,230,363.59/x - Step 3: Cross multiply
2,101,248.95x = 2,900,449.14 × 1,230,363.59 - Step 4: Simplify right side
2,101,248.95x = 3,568,607,007,438.91 - Step 5: Solve for x
x = 3,568,607,007,438.91/2,101,248.95 - Step 6: Final answer
x = 1,698,326.61
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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.