Finding the Fourth Proportional to 1,011,545.21, 1,506,584.81 and 1,006,656.36
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Solution
The fourth proportional to 1,011,545.21, 1,506,584.81 and 1,006,656.36 is: 1,499,303.40
Step by Step Solution
- Step 1: Write the proportion equation
1,011,545.21 : 1,506,584.81 = 1,006,656.36 : x - Step 2: Convert to fraction form
1,011,545.21/1,506,584.81 = 1,006,656.36/x - Step 3: Cross multiply
1,011,545.21x = 1,506,584.81 × 1,006,656.36 - Step 4: Simplify right side
1,011,545.21x = 1,516,613,177,732.84 - Step 5: Solve for x
x = 1,516,613,177,732.84/1,011,545.21 - Step 6: Final answer
x = 1,499,303.40
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.