Finding the Fourth Proportional to 2,390,705.54, 3,299,077.40 and 1,302,953.70
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Solution
The fourth proportional to 2,390,705.54, 3,299,077.40 and 1,302,953.70 is: 1,798,023.66
Step by Step Solution
- Step 1: Write the proportion equation
2,390,705.54 : 3,299,077.40 = 1,302,953.70 : x - Step 2: Convert to fraction form
2,390,705.54/3,299,077.40 = 1,302,953.70/x - Step 3: Cross multiply
2,390,705.54x = 3,299,077.40 × 1,302,953.70 - Step 4: Simplify right side
2,390,705.54x = 4,298,545,104,916.38 - Step 5: Solve for x
x = 4,298,545,104,916.38/2,390,705.54 - Step 6: Final answer
x = 1,798,023.66
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1.5x scale
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.