Finding the Fourth Proportional to 2,838,886.84, 3,907,719.98 and 2,475,669.88
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Solution
The fourth proportional to 2,838,886.84, 3,907,719.98 and 2,475,669.88 is: 3,407,752.83
Step by Step Solution
- Step 1: Write the proportion equation
2,838,886.84 : 3,907,719.98 = 2,475,669.88 : x - Step 2: Convert to fraction form
2,838,886.84/3,907,719.98 = 2,475,669.88/x - Step 3: Cross multiply
2,838,886.84x = 3,907,719.98 × 2,475,669.88 - Step 4: Simplify right side
2,838,886.84x = 9,674,224,640,731.91 - Step 5: Solve for x
x = 9,674,224,640,731.91/2,838,886.84 - Step 6: Final answer
x = 3,407,752.83
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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.