Home / 6,421,918.32-8,862,347.16-3,521,574

Finding the Fourth Proportional to 6,421,918.32, 8,862,347.16 and 3,521,574

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Solution

The fourth proportional to 6,421,918.32, 8,862,347.16 and 3,521,574 is: 4,859,826.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421,918.32 : 8,862,347.16 = 3,521,574 : x
  2. Step 2: Convert to fraction form
    6,421,918.32/8,862,347.16 = 3,521,574/x
  3. Step 3: Cross multiply
    6,421,918.32x = 8,862,347.16 × 3,521,574
  4. Step 4: Simplify right side
    6,421,918.32x = 31,209,411,337,629.84
  5. Step 5: Solve for x
    x = 31,209,411,337,629.84/6,421,918.32
  6. Step 6: Final answer
    x = 4,859,826.89

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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.