Finding the Fourth Proportional to 2,390,700.53, 3,299,070.50 and 1,302,948.70
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Solution
The fourth proportional to 2,390,700.53, 3,299,070.50 and 1,302,948.70 is: 1,798,016.75
Step by Step Solution
- Step 1: Write the proportion equation
2,390,700.53 : 3,299,070.50 = 1,302,948.70 : x - Step 2: Convert to fraction form
2,390,700.53/3,299,070.50 = 1,302,948.70/x - Step 3: Cross multiply
2,390,700.53x = 3,299,070.50 × 1,302,948.70 - Step 4: Simplify right side
2,390,700.53x = 4,298,519,609,306.99 - Step 5: Solve for x
x = 4,298,519,609,306.99/2,390,700.53 - Step 6: Final answer
x = 1,798,016.75
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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.