Finding the Fourth Proportional to 5,312,356.99, 7,927,102.94 and 4,739,802.22
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Solution
The fourth proportional to 5,312,356.99, 7,927,102.94 and 4,739,802.22 is: 7,072,736.30
Step by Step Solution
- Step 1: Write the proportion equation
5,312,356.99 : 7,927,102.94 = 4,739,802.22 : x - Step 2: Convert to fraction form
5,312,356.99/7,927,102.94 = 4,739,802.22/x - Step 3: Cross multiply
5,312,356.99x = 7,927,102.94 × 4,739,802.22 - Step 4: Simplify right side
5,312,356.99x = 37,572,900,113,180.52 - Step 5: Solve for x
x = 37,572,900,113,180.52/5,312,356.99 - Step 6: Final answer
x = 7,072,736.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.