Finding the Fourth Proportional to 4,938,140.68, 6,814,898.88 and 2,762,554.09
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Solution
The fourth proportional to 4,938,140.68, 6,814,898.88 and 2,762,554.09 is: 3,812,472.75
Step by Step Solution
- Step 1: Write the proportion equation
4,938,140.68 : 6,814,898.88 = 2,762,554.09 : x - Step 2: Convert to fraction form
4,938,140.68/6,814,898.88 = 2,762,554.09/x - Step 3: Cross multiply
4,938,140.68x = 6,814,898.88 × 2,762,554.09 - Step 4: Simplify right side
4,938,140.68x = 18,826,526,767,031.21 - Step 5: Solve for x
x = 18,826,526,767,031.21/4,938,140.68 - Step 6: Final answer
x = 3,812,472.75
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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.