Finding the Fourth Proportional to 2,148,248.69, 2,963,744.14 and 1,229,987.08
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Solution
The fourth proportional to 2,148,248.69, 2,963,744.14 and 1,229,987.08 is: 1,696,901.77
Step by Step Solution
- Step 1: Write the proportion equation
2,148,248.69 : 2,963,744.14 = 1,229,987.08 : x - Step 2: Convert to fraction form
2,148,248.69/2,963,744.14 = 1,229,987.08/x - Step 3: Cross multiply
2,148,248.69x = 2,963,744.14 × 1,229,987.08 - Step 4: Simplify right side
2,148,248.69x = 3,645,366,994,475.78 - Step 5: Solve for x
x = 3,645,366,994,475.78/2,148,248.69 - Step 6: Final answer
x = 1,696,901.77
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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.