Finding the Fourth Proportional to 1,963,041.13, 2,708,970.06 and 1,091,867.50
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Solution
The fourth proportional to 1,963,041.13, 2,708,970.06 and 1,091,867.50 is: 1,506,762.30
Step by Step Solution
- Step 1: Write the proportion equation
1,963,041.13 : 2,708,970.06 = 1,091,867.50 : x - Step 2: Convert to fraction form
1,963,041.13/2,708,970.06 = 1,091,867.50/x - Step 3: Cross multiply
1,963,041.13x = 2,708,970.06 × 1,091,867.50 - Step 4: Simplify right side
1,963,041.13x = 2,957,836,366,987.05 - Step 5: Solve for x
x = 2,957,836,366,987.05/1,963,041.13 - Step 6: Final answer
x = 1,506,762.30
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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.