Home / 1,912,750.74-2,862,039.51-1,407,684.96

Finding the Fourth Proportional to 1,912,750.74, 2,862,039.51 and 1,407,684.96

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Solution

The fourth proportional to 1,912,750.74, 2,862,039.51 and 1,407,684.96 is: 2,106,312.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,750.74 : 2,862,039.51 = 1,407,684.96 : x
  2. Step 2: Convert to fraction form
    1,912,750.74/2,862,039.51 = 1,407,684.96/x
  3. Step 3: Cross multiply
    1,912,750.74x = 2,862,039.51 × 1,407,684.96
  4. Step 4: Simplify right side
    1,912,750.74x = 4,028,849,973,152.77
  5. Step 5: Solve for x
    x = 4,028,849,973,152.77/1,912,750.74
  6. Step 6: Final answer
    x = 2,106,312.07

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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.