Home / 1,583,390.32-2,185,312.12-1,002,666.48

Finding the Fourth Proportional to 1,583,390.32, 2,185,312.12 and 1,002,666.48

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Solution

The fourth proportional to 1,583,390.32, 2,185,312.12 and 1,002,666.48 is: 1,383,827.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583,390.32 : 2,185,312.12 = 1,002,666.48 : x
  2. Step 2: Convert to fraction form
    1,583,390.32/2,185,312.12 = 1,002,666.48/x
  3. Step 3: Cross multiply
    1,583,390.32x = 2,185,312.12 × 1,002,666.48
  4. Step 4: Simplify right side
    1,583,390.32x = 2,191,139,211,061.74
  5. Step 5: Solve for x
    x = 2,191,139,211,061.74/1,583,390.32
  6. Step 6: Final answer
    x = 1,383,827.59

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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.