Finding the Fourth Proportional to 2,258,012.03, 3,118,642.70 and 1,487,088.99
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Solution
The fourth proportional to 2,258,012.03, 3,118,642.70 and 1,487,088.99 is: 2,053,885.97
Step by Step Solution
- Step 1: Write the proportion equation
2,258,012.03 : 3,118,642.70 = 1,487,088.99 : x - Step 2: Convert to fraction form
2,258,012.03/3,118,642.70 = 1,487,088.99/x - Step 3: Cross multiply
2,258,012.03x = 3,118,642.70 × 1,487,088.99 - Step 4: Simplify right side
2,258,012.03x = 4,637,699,215,478.43 - Step 5: Solve for x
x = 4,637,699,215,478.43/2,258,012.03 - Step 6: Final answer
x = 2,053,885.97
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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.