Finding the Fourth Proportional to 1,971,580.05, 2,719,746.09 and 1,712,875.72
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Solution
The fourth proportional to 1,971,580.05, 2,719,746.09 and 1,712,875.72 is: 2,362,869.84
Step by Step Solution
- Step 1: Write the proportion equation
1,971,580.05 : 2,719,746.09 = 1,712,875.72 : x - Step 2: Convert to fraction form
1,971,580.05/2,719,746.09 = 1,712,875.72/x - Step 3: Cross multiply
1,971,580.05x = 2,719,746.09 × 1,712,875.72 - Step 4: Simplify right side
1,971,580.05x = 4,658,587,026,762.19 - Step 5: Solve for x
x = 4,658,587,026,762.19/1,971,580.05 - Step 6: Final answer
x = 2,362,869.84
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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.