Home / 2,551,127.77-3,520,526.14-1,389,570.39

Finding the Fourth Proportional to 2,551,127.77, 3,520,526.14 and 1,389,570.39

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Solution

The fourth proportional to 2,551,127.77, 3,520,526.14 and 1,389,570.39 is: 1,917,590.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551,127.77 : 3,520,526.14 = 1,389,570.39 : x
  2. Step 2: Convert to fraction form
    2,551,127.77/3,520,526.14 = 1,389,570.39/x
  3. Step 3: Cross multiply
    2,551,127.77x = 3,520,526.14 × 1,389,570.39
  4. Step 4: Simplify right side
    2,551,127.77x = 4,892,018,881,364.99
  5. Step 5: Solve for x
    x = 4,892,018,881,364.99/2,551,127.77
  6. Step 6: Final answer
    x = 1,917,590.70

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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.