Home / 4,890,666.72-7,371,153.64-4,215,700.35

Finding the Fourth Proportional to 4,890,666.72, 7,371,153.64 and 4,215,700.35

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Solution

The fourth proportional to 4,890,666.72, 7,371,153.64 and 4,215,700.35 is: 6,353,852.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890,666.72 : 7,371,153.64 = 4,215,700.35 : x
  2. Step 2: Convert to fraction form
    4,890,666.72/7,371,153.64 = 4,215,700.35/x
  3. Step 3: Cross multiply
    4,890,666.72x = 7,371,153.64 × 4,215,700.35
  4. Step 4: Simplify right side
    4,890,666.72x = 31,074,574,980,051.77
  5. Step 5: Solve for x
    x = 31,074,574,980,051.77/4,890,666.72
  6. Step 6: Final answer
    x = 6,353,852.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.