Home / 1,912,038.93-2,870,885.10-1,276,303.55

Finding the Fourth Proportional to 1,912,038.93, 2,870,885.10 and 1,276,303.55

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Solution

The fourth proportional to 1,912,038.93, 2,870,885.10 and 1,276,303.55 is: 1,916,342.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,038.93 : 2,870,885.10 = 1,276,303.55 : x
  2. Step 2: Convert to fraction form
    1,912,038.93/2,870,885.10 = 1,276,303.55/x
  3. Step 3: Cross multiply
    1,912,038.93x = 2,870,885.10 × 1,276,303.55
  4. Step 4: Simplify right side
    1,912,038.93x = 3,664,120,824,036.16
  5. Step 5: Solve for x
    x = 3,664,120,824,036.16/1,912,038.93
  6. Step 6: Final answer
    x = 1,916,342.17

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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.