Home / 3,147,678.90-4,710,631.95-1,886,411.70

Finding the Fourth Proportional to 3,147,678.90, 4,710,631.95 and 1,886,411.70

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Solution

The fourth proportional to 3,147,678.90, 4,710,631.95 and 1,886,411.70 is: 2,823,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,678.90 : 4,710,631.95 = 1,886,411.70 : x
  2. Step 2: Convert to fraction form
    3,147,678.90/4,710,631.95 = 1,886,411.70/x
  3. Step 3: Cross multiply
    3,147,678.90x = 4,710,631.95 × 1,886,411.70
  4. Step 4: Simplify right side
    3,147,678.90x = 8,886,191,224,873.82
  5. Step 5: Solve for x
    x = 8,886,191,224,873.82/3,147,678.90
  6. Step 6: Final answer
    x = 2,823,093.30

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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.