Home / 2,637,547.21-3,956,277.63-840,406.39

Finding the Fourth Proportional to 2,637,547.21, 3,956,277.63 and 840,406.39

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Solution

The fourth proportional to 2,637,547.21, 3,956,277.63 and 840,406.39 is: 1,260,595.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637,547.21 : 3,956,277.63 = 840,406.39 : x
  2. Step 2: Convert to fraction form
    2,637,547.21/3,956,277.63 = 840,406.39/x
  3. Step 3: Cross multiply
    2,637,547.21x = 3,956,277.63 × 840,406.39
  4. Step 4: Simplify right side
    2,637,547.21x = 3,324,880,994,126.89
  5. Step 5: Solve for x
    x = 3,324,880,994,126.89/2,637,547.21
  6. Step 6: Final answer
    x = 1,260,595.82

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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.