Finding the Fourth Proportional to 2,970,501.90, 4,465,266.30 and 2,759,893.80
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Solution
The fourth proportional to 2,970,501.90, 4,465,266.30 and 2,759,893.80 is: 4,148,679.65
Step by Step Solution
- Step 1: Write the proportion equation
2,970,501.90 : 4,465,266.30 = 2,759,893.80 : x - Step 2: Convert to fraction form
2,970,501.90/4,465,266.30 = 2,759,893.80/x - Step 3: Cross multiply
2,970,501.90x = 4,465,266.30 × 2,759,893.80 - Step 4: Simplify right side
2,970,501.90x = 12,323,660,776,718.94 - Step 5: Solve for x
x = 12,323,660,776,718.94/2,970,501.90 - Step 6: Final answer
x = 4,148,679.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.