Finding the Fourth Proportional to 4,720,679.30, 6,513,417.69 and 2,683,328.42
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Solution
The fourth proportional to 4,720,679.30, 6,513,417.69 and 2,683,328.42 is: 3,702,356.73
Step by Step Solution
- Step 1: Write the proportion equation
4,720,679.30 : 6,513,417.69 = 2,683,328.42 : x - Step 2: Convert to fraction form
4,720,679.30/6,513,417.69 = 2,683,328.42/x - Step 3: Cross multiply
4,720,679.30x = 6,513,417.69 × 2,683,328.42 - Step 4: Simplify right side
4,720,679.30x = 17,477,638,798,907.75 - Step 5: Solve for x
x = 17,477,638,798,907.75/4,720,679.30 - Step 6: Final answer
x = 3,702,356.73
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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.