Home / 2,779,980.30-4,169,970.45-984,890.70

Finding the Fourth Proportional to 2,779,980.30, 4,169,970.45 and 984,890.70

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Solution

The fourth proportional to 2,779,980.30, 4,169,970.45 and 984,890.70 is: 1,477,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779,980.30 : 4,169,970.45 = 984,890.70 : x
  2. Step 2: Convert to fraction form
    2,779,980.30/4,169,970.45 = 984,890.70/x
  3. Step 3: Cross multiply
    2,779,980.30x = 4,169,970.45 × 984,890.70
  4. Step 4: Simplify right side
    2,779,980.30x = 4,106,965,115,479.82
  5. Step 5: Solve for x
    x = 4,106,965,115,479.82/2,779,980.30
  6. Step 6: Final answer
    x = 1,477,336.05

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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.