Finding the Fourth Proportional to 5,645,707.80, 8,468,727.68 and 1,385,875.88
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Solution
The fourth proportional to 5,645,707.80, 8,468,727.68 and 1,385,875.88 is: 2,078,854.56
Step by Step Solution
- Step 1: Write the proportion equation
5,645,707.80 : 8,468,727.68 = 1,385,875.88 : x - Step 2: Convert to fraction form
5,645,707.80/8,468,727.68 = 1,385,875.88/x - Step 3: Cross multiply
5,645,707.80x = 8,468,727.68 × 1,385,875.88 - Step 4: Simplify right side
5,645,707.80x = 11,736,605,426,000.36 - Step 5: Solve for x
x = 11,736,605,426,000.36/5,645,707.80 - Step 6: Final answer
x = 2,078,854.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.