Home / 3,112,545.80-4,666,226.70-1,316,808.20

Finding the Fourth Proportional to 3,112,545.80, 4,666,226.70 and 1,316,808.20

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Solution

The fourth proportional to 3,112,545.80, 4,666,226.70 and 1,316,808.20 is: 1,974,115.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112,545.80 : 4,666,226.70 = 1,316,808.20 : x
  2. Step 2: Convert to fraction form
    3,112,545.80/4,666,226.70 = 1,316,808.20/x
  3. Step 3: Cross multiply
    3,112,545.80x = 4,666,226.70 × 1,316,808.20
  4. Step 4: Simplify right side
    3,112,545.80x = 6,144,525,581,618.94
  5. Step 5: Solve for x
    x = 6,144,525,581,618.94/3,112,545.80
  6. Step 6: Final answer
    x = 1,974,115.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.