Home / 2,823,798.60-4,238,030.70-1,309,811.40

Finding the Fourth Proportional to 2,823,798.60, 4,238,030.70 and 1,309,811.40

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Solution

The fourth proportional to 2,823,798.60, 4,238,030.70 and 1,309,811.40 is: 1,965,799.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823,798.60 : 4,238,030.70 = 1,309,811.40 : x
  2. Step 2: Convert to fraction form
    2,823,798.60/4,238,030.70 = 1,309,811.40/x
  3. Step 3: Cross multiply
    2,823,798.60x = 4,238,030.70 × 1,309,811.40
  4. Step 4: Simplify right side
    2,823,798.60x = 5,551,020,924,409.98
  5. Step 5: Solve for x
    x = 5,551,020,924,409.98/2,823,798.60
  6. Step 6: Final answer
    x = 1,965,799.16

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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.