Home / 1,390,235.85-1,916,890.92-1,114,373.16

Finding the Fourth Proportional to 1,390,235.85, 1,916,890.92 and 1,114,373.16

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Solution

The fourth proportional to 1,390,235.85, 1,916,890.92 and 1,114,373.16 is: 1,536,524.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,235.85 : 1,916,890.92 = 1,114,373.16 : x
  2. Step 2: Convert to fraction form
    1,390,235.85/1,916,890.92 = 1,114,373.16/x
  3. Step 3: Cross multiply
    1,390,235.85x = 1,916,890.92 × 1,114,373.16
  4. Step 4: Simplify right side
    1,390,235.85x = 2,136,131,791,895.71
  5. Step 5: Solve for x
    x = 2,136,131,791,895.71/1,390,235.85
  6. Step 6: Final answer
    x = 1,536,524.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.