Finding the Fourth Proportional to 2,390,693.54, 3,299,060.34 and 1,302,941.70
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Solution
The fourth proportional to 2,390,693.54, 3,299,060.34 and 1,302,941.70 is: 1,798,006.82
Step by Step Solution
- Step 1: Write the proportion equation
2,390,693.54 : 3,299,060.34 = 1,302,941.70 : x - Step 2: Convert to fraction form
2,390,693.54/3,299,060.34 = 1,302,941.70/x - Step 3: Cross multiply
2,390,693.54x = 3,299,060.34 × 1,302,941.70 - Step 4: Simplify right side
2,390,693.54x = 4,298,483,287,802.18 - Step 5: Solve for x
x = 4,298,483,287,802.18/2,390,693.54 - Step 6: Final answer
x = 1,798,006.82
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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.