Home / 1,869,216.60-2,579,572.04-1,042,309.20

Finding the Fourth Proportional to 1,869,216.60, 2,579,572.04 and 1,042,309.20

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Solution

The fourth proportional to 1,869,216.60, 2,579,572.04 and 1,042,309.20 is: 1,438,416.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,216.60 : 2,579,572.04 = 1,042,309.20 : x
  2. Step 2: Convert to fraction form
    1,869,216.60/2,579,572.04 = 1,042,309.20/x
  3. Step 3: Cross multiply
    1,869,216.60x = 2,579,572.04 × 1,042,309.20
  4. Step 4: Simplify right side
    1,869,216.60x = 2,688,711,664,143.22
  5. Step 5: Solve for x
    x = 2,688,711,664,143.22/1,869,216.60
  6. Step 6: Final answer
    x = 1,438,416.32

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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.