Home / 5,637,376.89-7,779,472.20-3,189,943.40

Finding the Fourth Proportional to 5,637,376.89, 7,779,472.20 and 3,189,943.40

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Solution

The fourth proportional to 5,637,376.89, 7,779,472.20 and 3,189,943.40 is: 4,402,060.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,637,376.89 : 7,779,472.20 = 3,189,943.40 : x
  2. Step 2: Convert to fraction form
    5,637,376.89/7,779,472.20 = 3,189,943.40/x
  3. Step 3: Cross multiply
    5,637,376.89x = 7,779,472.20 × 3,189,943.40
  4. Step 4: Simplify right side
    5,637,376.89x = 24,816,075,960,976.12
  5. Step 5: Solve for x
    x = 24,816,075,960,976.12/5,637,376.89
  6. Step 6: Final answer
    x = 4,402,060.82

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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.