Home / 1,971,977.84-2,958,293.93-692,253.57

Finding the Fourth Proportional to 1,971,977.84, 2,958,293.93 and 692,253.57

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Solution

The fourth proportional to 1,971,977.84, 2,958,293.93 and 692,253.57 is: 1,038,495.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,977.84 : 2,958,293.93 = 692,253.57 : x
  2. Step 2: Convert to fraction form
    1,971,977.84/2,958,293.93 = 692,253.57/x
  3. Step 3: Cross multiply
    1,971,977.84x = 2,958,293.93 × 692,253.57
  4. Step 4: Simplify right side
    1,971,977.84x = 2,047,889,545,678.09
  5. Step 5: Solve for x
    x = 2,047,889,545,678.09/1,971,977.84
  6. Step 6: Final answer
    x = 1,038,495.21

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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.