Home / 3,931,607.08-5,423,536.74-2,705,784.40

Finding the Fourth Proportional to 3,931,607.08, 5,423,536.74 and 2,705,784.40

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Solution

The fourth proportional to 3,931,607.08, 5,423,536.74 and 2,705,784.40 is: 3,732,550.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,607.08 : 5,423,536.74 = 2,705,784.40 : x
  2. Step 2: Convert to fraction form
    3,931,607.08/5,423,536.74 = 2,705,784.40/x
  3. Step 3: Cross multiply
    3,931,607.08x = 5,423,536.74 × 2,705,784.40
  4. Step 4: Simplify right side
    3,931,607.08x = 14,674,921,103,918.86
  5. Step 5: Solve for x
    x = 14,674,921,103,918.86/3,931,607.08
  6. Step 6: Final answer
    x = 3,732,550.28

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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.