Finding the Fourth Proportional to 1,584,617.14, 2,187,618.93 and 1,239,719.95
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Solution
The fourth proportional to 1,584,617.14, 2,187,618.93 and 1,239,719.95 is: 1,711,476.39
Step by Step Solution
- Step 1: Write the proportion equation
1,584,617.14 : 2,187,618.93 = 1,239,719.95 : x - Step 2: Convert to fraction form
1,584,617.14/2,187,618.93 = 1,239,719.95/x - Step 3: Cross multiply
1,584,617.14x = 2,187,618.93 × 1,239,719.95 - Step 4: Simplify right side
1,584,617.14x = 2,712,034,813,381.96 - Step 5: Solve for x
x = 2,712,034,813,381.96/1,584,617.14 - Step 6: Final answer
x = 1,711,476.39
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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.