Finding the Fourth Proportional to 1,816,023.64, 2,506,289.60 and 1,356,340.09
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Solution
The fourth proportional to 1,816,023.64, 2,506,289.60 and 1,356,340.09 is: 1,871,881.50
Step by Step Solution
- Step 1: Write the proportion equation
1,816,023.64 : 2,506,289.60 = 1,356,340.09 : x - Step 2: Convert to fraction form
1,816,023.64/2,506,289.60 = 1,356,340.09/x - Step 3: Cross multiply
1,816,023.64x = 2,506,289.60 × 1,356,340.09 - Step 4: Simplify right side
1,816,023.64x = 3,399,381,061,630.06 - Step 5: Solve for x
x = 3,399,381,061,630.06/1,816,023.64 - Step 6: Final answer
x = 1,871,881.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.