Home / 1,928,501.78-2,892,844.93-1,590,916.46

Finding the Fourth Proportional to 1,928,501.78, 2,892,844.93 and 1,590,916.46

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Solution

The fourth proportional to 1,928,501.78, 2,892,844.93 and 1,590,916.46 is: 2,386,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,501.78 : 2,892,844.93 = 1,590,916.46 : x
  2. Step 2: Convert to fraction form
    1,928,501.78/2,892,844.93 = 1,590,916.46/x
  3. Step 3: Cross multiply
    1,928,501.78x = 2,892,844.93 × 1,590,916.46
  4. Step 4: Simplify right side
    1,928,501.78x = 4,602,274,615,364.55
  5. Step 5: Solve for x
    x = 4,602,274,615,364.55/1,928,501.78
  6. Step 6: Final answer
    x = 2,386,450.80

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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.