Home / 2,178,423.42-3,006,262.96-1,211,554.10

Finding the Fourth Proportional to 2,178,423.42, 3,006,262.96 and 1,211,554.10

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Solution

The fourth proportional to 2,178,423.42, 3,006,262.96 and 1,211,554.10 is: 1,671,966.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,423.42 : 3,006,262.96 = 1,211,554.10 : x
  2. Step 2: Convert to fraction form
    2,178,423.42/3,006,262.96 = 1,211,554.10/x
  3. Step 3: Cross multiply
    2,178,423.42x = 3,006,262.96 × 1,211,554.10
  4. Step 4: Simplify right side
    2,178,423.42x = 3,642,250,214,866.14
  5. Step 5: Solve for x
    x = 3,642,250,214,866.14/2,178,423.42
  6. Step 6: Final answer
    x = 1,671,966.15

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1.5x scale

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.