Home / 1,889,309.70-2,832,924.51-1,290,946.50

Finding the Fourth Proportional to 1,889,309.70, 2,832,924.51 and 1,290,946.50

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Solution

The fourth proportional to 1,889,309.70, 2,832,924.51 and 1,290,946.50 is: 1,935,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,309.70 : 2,832,924.51 = 1,290,946.50 : x
  2. Step 2: Convert to fraction form
    1,889,309.70/2,832,924.51 = 1,290,946.50/x
  3. Step 3: Cross multiply
    1,889,309.70x = 2,832,924.51 × 1,290,946.50
  4. Step 4: Simplify right side
    1,889,309.70x = 3,657,153,980,948.72
  5. Step 5: Solve for x
    x = 3,657,153,980,948.72/1,889,309.70
  6. Step 6: Final answer
    x = 1,935,709.10

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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.